Double Ring Spanner Set – 12pcs UAE

A double ring spanner set is a collection of box-end wrenches where both ends of every piece carry a closed ring, unlike a combination spanner that pairs a ring with an open jaw, giving mechanics and maintenance technicians a fully enclosed grip on fasteners from both sides of the tool for higher torque transfer and reduced fastener rounding.

Sonasa Trading supplies this offset ring spanner 12pcs at Dhs. 36.00 per piece, with 14 paired metric sizes available from 6x7mm through 46x50mm, making it the right kit for automotive, heavy equipment, and industrial maintenance work across Dubai and the UAE.

Key Features of Double Ring Spanner Set

• Both ends are closed ring profiles. Unlike a combination spanner, the ring spanner set carries a fully enclosed 12-point box end on both sides of each piece, surrounding the fastener head completely and distributing torque evenly across all contact points to prevent rounding during heavy tightening or loosening work.
• Deep offset on both ring ends. Each spanner in the double ring spanner set is forged with a significant crank offset, lifting the handle above the work surface and giving the user knuckle clearance when turning fasteners that sit flush against a panel, plate, or mounting flange  a practical advantage on engine components and structural steelwork.
• Chrome vanadium steel forged construction. The full length of each box end wrench set piece is drop-forged from Cr-V steel and heat-treated, producing a spanner that holds its ring profile under high torque without jaw spread or deformation across years of workshop use.
• Nickel chrome plating for corrosion resistance. A polished nickel chrome surface coating protects each offset ring wrench set piece from oxidation and surface pitting in humid outdoor environments and open-air storage conditions common on UAE construction and industrial sites.
• 12-point ring contact on both ends. The 12-point profile inside each ring engages the fastener head at more points than a 6-point ring, making initial placement faster and allowing the spanner to seat and begin turning with a shorter rotational arc useful in tight spaces where swing is limited.
• 14 paired metric size options available. The ring end spanner assortment range covers sizes from 6x7mm through 46x50mm, so procurement teams can select individual pairs or a complete set that matches the fastener range on their specific vehicle or machinery type.

Specifications and Size Chart

Specification	Detail
Set Contents	12 pieces per set
Spanner Type	Double offset ring (box end, both sides)
Material	Drop-forged chrome vanadium (Cr-V) steel
Ring Profile	12-point closed ring on both ends
Offset Style	Deep crank offset at both ends
Surface Finish	Nickel chrome-plated and polished
Hardness	44 to 48 HRC
Standard	Metric
Price Range	Dhs. 36.00 per piece to Dhs. 768.00 per set

Available Paired Sizes

Piece	Size Pairing
1	6 x 7 mm
2	8 x 9 mm
3	10 x 11 mm
4	12 x 13 mm
5	14 x 15 mm
6	16 x 17 mm
7	18 x 19 mm
8	20 x 22 mm
9	21 x 23 mm
10	24 x 26 mm
11	25 x 28 mm
12	30 x 32 mm
13	32 x 36 mm
14	36 x 41 mm
15	41 x 46 mm
16	46 x 50 mm

Safety Information

• Always confirm the ring is fully seated before applying torque. A partially seated ring on a hexagonal fastener contacts only two or three points of the head, concentrating the full load on those contact zones and causing the ring to crack or the fastener head to round off under turning force.
• Select the correct size before starting. A ring that is even 1mm oversized on the fastener will rock under load and slip off at the point of maximum torque, sending the tool and the user’s hand into surrounding components or sharp edges.
• Do not strike the spanner handle with a hammer to break seized fasteners. The double ring spanner set handles are not designed for impact loading. A breaker bar or torque multiplier is the correct tool for seized industrial fasteners.
• Inspect each piece for ring deformation before use. A ring that has been overloaded in a previous session may show a slightly oval or widened profile that no longer seats snugly on the fastener. Retire any distorted piece before it causes a fastener to round off on a live job.
• Keep the spanner handles clean and dry during use. Oil or grease on the handle reduces grip, and a hand slipping off a loaded spanner at the point of release transfers the full force to the user’s wrist and forearm.

How To Use a Double Ring Spanner Set

1. Select the correct size from the offset ring spanner 12pcs by placing the ring over the fastener head and confirming it seats with no movement or rocking before any turning force is applied.
2. Choose the end size that fits the fastener on the first placement. Both ends of every piece in the double ring spanner set are different sizes, so flip the spanner to access the second size without reaching for a separate tool.
3. Seat the ring fully over the fastener head so all 12 contact points are engaged against the hex faces, then apply a steady turning force in the required direction.
4. Work in short arcs in confined spaces, lift the ring off the fastener after each partial turn, rotate the spanner on the fastener head to a new starting position, and reseat the ring to continue the turn without needing a full 360-degree swing.
5. Switch to the larger end on the same piece when moving from a smaller fastener to a larger one on the same assembly, avoiding the need to pick through the full ring spanner set repeatedly on multi-fastener jobs.
6. Clean and return each piece to the set storage roll or case after use so the complete box end wrench set is accounted for and ready for the next job without a missing piece causing delays.

Where the Double Ring Spanner Set Is Used

A double ring spanner set is found in automotive workshops, heavy equipment maintenance yards, plant engineering teams, and marine service facilities across Dubai, Sharjah, Abu Dhabi, and Ajman. 

Vehicle mechanics in workshop clusters across Al Quoz Industrial Area and Mussafah use the offset ring wrench set for cylinder head bolts, suspension components, and drivetrain fasteners where the full ring grip is essential and a combination spanner’s open jaw is not adequate for the required torque. 

Industrial maintenance engineers in Jebel Ali Free Zone and KIZAD use the larger sizes 30x32mm through 46x50mm for pump flanges, pressure vessel connections, and heavy structural bolting on plant equipment. 

Procurement teams at construction companies across Dubai and Abu Dhabi keep a ring end spanner assorted set in every site toolbox as standard issue for structural steel assembly.

Order Double Ring Spanner Set Wholesale in Dubai

Sonasa Trading Co. LLC supplies the double-ring spanner set in individual pieces or full 12-piece sets to automotive workshops, contractors, and procurement teams across the UAE at wholesale prices. 

The complete range of spanners, wrenches, and hand tools is available at affordable prices.  For the full product catalog, including lifting tools, safety gear, tarpaulin, and packing materials, visit all industrial products. Reach the Sonasa Trading team 24/7 on WhatsApp at +971 4 221 3749 for bulk pricing and same-day dispatch.

FAQ

What is a double ring spanner used for?

A double ring spanner set is used when high torque is needed on both sides of a fastener without risking slippage. The fully enclosed ring end on both sides of each piece provides a secure 12-point grip on nuts and bolts used in automotive engines, heavy equipment, and structural steelwork across UAE construction and industrial maintenance work.

What is the difference between a double ring spanner and a combination spanner? 

A double ring spanner set has a closed ring end on both sides of every piece, providing maximum torque grip on both ends. A combination spanner has a ring end on one side and an open jaw on the other. The offset ring spanner 12pcs is the better choice when slippage on heavily torqued or seized fasteners is a concern.