Williams JHW1228TSB Box End Wrench 12-point 7/8 Inch

Product Description

The WILLIAMS COMFORT PRODUCTS JHW1228TSB is a 12-point straight box end wrench with a 7/8 inch opening, built for trade professionals who need reliable torque in tight spaces. The straight head profile keeps the tool low-profile against fastener surfaces, making it practical where clearance is restricted. The tubular shaft design allows the wrench to be used with or without an optional handle, so a tech can quickly run down a nut by hand before attaching the handle for final tightening. Both SAE and corresponding metric fastener sizes are marked on the wrench for quick identification on the job.

This wrench suits HVAC, plumbing, and mechanical trades where consistent access to 7/8 inch fasteners is required. It is practical for residential and light commercial service work, particularly in confined equipment bays or panel areas where a full-length wrench cannot be positioned correctly. The tubular shaft and detent-aligned locking button allow the handle to be attached quickly without fumbling, keeping work moving during installation or service calls.

Key Features

• 12-point box end provides positive engagement on hex fasteners and reduces slippage
• Straight head profile improves access in low-clearance locations
• Tubular shaft can be used handleless to run down nuts quickly, then fitted with optional handle for final torque
• Detent on the shaft aligns the locking button with the handle hole for fast, secure handle attachment
• SAE and metric fastener size markings displayed on the wrench for dual-standard reference

Compatibility

Designed as a standard tubular box end wrench compatible with optional Williams handle accessories; suitable for 7/8 inch SAE fasteners across general mechanical, HVAC, and plumbing applications.

Installation Notes

This wrench is a hand tool used by HVAC technicians, plumbers, and mechanical trades professionals. Always ensure equipment is powered down and all pressure or fuel supplies are isolated before working on fasteners in live systems. Confirm the correct opening size against the fastener before applying torque to avoid rounding. Use the optional handle only after the nut or bolt is hand-seated to prevent cross-threading.

Technical Specifications

• Opening Size: 7/8 inch
• Point Count: 12-point
• Head Type: Straight box end
• Length: 10.8 inches
• Height: 1.3 inches
• Width: 0.5 inches
• Weight: 1.53 pounds
• Sold As: Each
• UPC: 662459900258

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: JHW1228TSB