Torx-headed spanner insert for secure engagement with star-pattern fasteners in assembly.

Round spanner insert for modular wrench systems in mechanical applications.

Round spanner insert for modular wrench systems in mechanical applications.

Torx spanner insert bit for modular wrench systems and power tools.

Professional Torx spanner insert for mechanical assembly and maintenance work.

Large open-ended spanner insert for major fasteners and industrial bolts.

Open-ended spanner insert for wrench-style fastening with socket drives.

Open ended spanner insert for medium to large fastener work.

Open ended spanner insert for large fasteners and heavy industrial work.

Wera open-ended spanner insert for professional mechanical and maintenance work.

18mm open-ended insert spanner head with 9x12mm connection for torque wrenches.

12mm open-ended insert spanner head with standard 9x12mm socket drive.

22mm open-ended insert spanner head with larger 14x18mm drive connection.

Replaceable open-ended spanner insert for modular wrench systems and repair work.

Open-ended spanner insert for socket wrench systems in mechanical maintenance.

Open-ended spanner insert for flexible fastening on modular ratchet tools.

Interchangeable ring spanner head for mechanical work and maintenance tasks.

Chrome-plated ring spanner insert for heavy-duty mechanical maintenance and assembly work.

Round spanner insert for modular wrench assembly in maintenance and repair.

Round spanner insert for mechanical work and equipment maintenance operations.

Round spanner insert for mechanical fastening and assembly in industrial applications.

Round spanner insert head for flexible wrench assembly systems used in industrial repair.

Round spanner insert for socket wrench kits and modular tool assembly systems.

Round spanner insert for socket wrenches, 44mm size for industrial maintenance work.

Facom 19mm spanner head for 14x18mm socket insert systems.

58mm open-ended spanner insert for medium fastening jobs.

39mm open-ended spanner insert for small fastening applications.

15mm chrome insert spanner head with 9x12mm socket drive.

Wera open ended spanner insert for mechanical wrench assembly work.

Wera open ended spanner insert for mechanical wrench assembly work.

Open ended spanner insert for interchangeable wrench assembly.

Open ended spanner insert for modular wrench systems in maintenance.

30mm chrome insert spanner head with larger 14x18mm drive for heavier applications.

Open ended spanner insert for modular wrench systems in mechanical work.