Product Description
The ISSXM418 18MM Williams 1/2" Dr Flextension 4.09" Shrank 6Pt - ISSXM418 comes with the Williams Industrial Brands Limited lifetime warranty.

Williams Flextension are used extensively in engine and heavy equipment manufacturing, assembly and repair. They increase productivity by featuring an integrated (non-removable) design of the drive extension and socket to allow for reliable, continuous work without concern for the socket disconnecting from the extension as could happen with hand-tool type ball retained sockets.
Features
- Durable black oxide finish
- Socket retention pin is TIG welded, providing full rotation power to the socket
- Sockets feature SUPERTORQUE lobular openings for greater turning power without deforming the fastener
- Drive end has a 7/32" cross hole & bevel for ease of use
- Up to 30 degree angle offset
- Flextensions are designed for use on hand and power tools (Impulse or Direct drive); NOT FOR IMPACT TOOL USE
- Maximum working torque values: 160 Ft. Lbs. /1920 In. Lbs. /217 Nm
- Other lengths and socket sizes available by special order. Contact your Snap-on
- Industrial Brands representative.
- Drive: 1/2 in.
- Shank Length: 4.09"/103.9MM
- Tension: No
- Socket Point: 6
- Socket: 18 mm
- Socket Length: 1.06"/26.9MM
- Socket Diameter: 1.00"/25.4MM
- Socket Nose Diameter: 1.00"/25.4MM
- Socket Hex Depth: 0.45"/11.4MM
- Country of Origin: USA
Elevate your tool collection with the 18MM Williams 1/2" Dr Flextension 4.09" Shrank 6Pt - ISSXM418, a premium extension designed for precision and strength. This exceptional tool is engineered to meet the rigorous demands of heavy equipment and engine manufacturing, ensuring unmatched performance during assembly and repair tasks.
Built in the USA and backed by the Williams Industrial Brands Limited lifetime warranty, this Flextension offers a dependable, integrated design that guarantees continuous operation without the worry of socket disconnection. Its innovative features increase productivity significantly, making it an essential addition to your toolkit.
- Durable black oxide finish for enhanced durability
- Socket retention pin is TIG welded for optimal strength and power
- Sockets feature SUPERTORQUE lobular openings for superior turning capability
- Drive end includes a 7/32" cross hole & bevel for user-friendly operation
- Up to 30-degree angle offset for versatile usage
- Compatible with hand and power tools (Impulse or Direct drive); NOT for impact tool use
- Maximum working torque values of 160 Ft. Lbs. /1920 In. Lbs. /217 Nm
- Available in other lengths and socket sizes by special order
- Drive: 1/2 in., Shank Length: 4.09" / 103.9MM
- Socket Point: 6, Socket Diameter: 1.00" / 25.4MM
- Country of Origin: USA
Experience the reliability and efficiency of the 18MM Williams Flextension today — a tool that delivers in every demanding environment.