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The WILLIAMS COMFORT PRODUCTS JHWISSX430 is a Flextension — an integrated drive extension and socket unit designed for demanding industrial fastening work. The 1/2 inch drive pairs with a fixed 15/16 inch SUPERTORQUE lobular socket that is permanently attached, eliminating the risk of the socket disconnecting mid-task. Rated to a maximum working torque of 160 ft-lbs (1,920 in-lbs / 217 Nm), this tool is built for engine assembly, heavy equipment manufacturing, and continuous production environments where reliability and throughput matter. A black oxide finish provides corrosion resistance for shop floor conditions.
The JHWISSX430 is designed for use on hand tools and power tools including impulse and direct-drive tools. It is NOT rated for impact tool use. The integrated design makes it particularly well suited for assembly line and repair operations where socket retention is critical and interruptions are costly. The drive end includes a 7/32 inch cross hole bevel for ease of engagement, and the unit allows up to 30 degrees of angle offset to reach fasteners in tight or awkward positions.
Designed for use with hand tools and power tools (impulse or direct drive) requiring a 1/2 inch drive. Not compatible with impact tools. Additional lengths and socket sizes are available by special order.
This Flextension is intended for use by trained assembly technicians and professional mechanics working on engines and heavy equipment. Confirm the drive tool is a hand or direct-drive power tool before use — impact tool use is not permitted with this unit. Ensure the fastener and socket size match before applying torque to avoid fastener damage.
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