Williams Comfort Products ISSXTM918 Flextension 18MM

Product Description

The WILLIAMS COMFORT PRODUCTS ISSXTM918 is a tension-type flextension designed for use with 1/2-inch drive ratchets and impact tools. The flexible shank spans 9 inches, allowing technicians to reach fasteners in confined or offset positions where a rigid extension would not fit. The 18MM drive interface mates securely with standard 1/2-inch drive sockets. Tension-type flextensions maintain socket alignment under load, reducing the risk of the socket slipping off the fastener during torque application. This tool is sold individually and weighs 0.79 pounds.

Flextensions like the ISSXTM918 are used across HVAC, plumbing, electrical, and general mechanical service work wherever access to fasteners is restricted by surrounding components, panels, or structural framing. The 9-inch shank length and 1/2-inch drive make it well suited for engine compartment work, equipment service panels, and tight mechanical spaces encountered in both residential and light commercial applications. It is a hand-tool staple for licensed tradespeople who regularly work around obstructions.

Key Features

• Tension-type design keeps socket seated and aligned during torque application
• 18MM drive interface compatible with standard 1/2-inch drive sockets
• 9-inch flexible shank reaches fasteners in confined or offset locations
• Sold individually — unit of measure is each
• Compact weight of 0.79 pounds for extended use without fatigue

Compatibility

Designed for use with standard 1/2-inch drive sockets and ratchets. Fits typical 1/2-inch drive tool sets used in HVAC, plumbing, and mechanical service applications.

Installation Notes

Seat the socket fully onto the flextension before applying torque to prevent disengagement. Inspect the flexible joint for wear or cracking before each use, and replace the tool if the joint shows visible damage. As with all drive tools, ensure the fastener and socket size match before applying force to avoid rounding the fastener head.

Technical Specifications

• Drive Size: 1/2 inch
• Drive Type: Tension-type flextension
• Shank Length: 9 inches
• Socket Interface: 18MM
• Weight: 0.79 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 1
• UPC: 662459335029

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: ISSXTM918