Williams WS-1171BSC Combination Wrench Set 11-piece

Product Description

The WILLIAMS WS-1171BSC is an 11-piece combination wrench set finished in black. Combination wrenches feature an open end on one side and a box end on the other, giving technicians two engagement options from a single tool. This set is suited for mechanical assembly, maintenance, and repair work across HVAC, plumbing, electrical, and general trade applications. At 7.674 pounds, the set offers substantial, professional-grade construction. The black finish provides corrosion resistance and reduces glare in bright work environments. Designed for licensed tradespeople and experienced technicians who require reliable hand tools on the job.

This 11-piece combination wrench set is appropriate for residential and commercial service work where a range of fastener sizes must be addressed efficiently. The set is well-suited for mechanical rooms, equipment installations, and field service calls. Trades including HVAC technicians, plumbers, electricians, and pipefitters will find this set applicable across a wide range of service tasks involving bolted connections and threaded fasteners.

Key Features

• 11-piece set covers a broad range of fastener sizes in a single kit
• Combination design offers open-end and box-end engagement from one wrench
• Black finish for corrosion resistance and reduced surface glare
• Domestic origin - manufactured in the US
• Sold as a complete set (UOM: Each)

Compatibility

Designed as a general-purpose combination wrench set suitable for use across a wide range of mechanical fasteners encountered in HVAC, plumbing, electrical, and industrial trade applications.

Installation Notes

Combination wrenches are hand tools requiring no installation. Before use in any service application, de-energize electrical systems, shut off gas supplies, and relieve system pressure per applicable codes including NEC, IFGC, or IPC as relevant to the task. Inspect wrench engagement before applying force to avoid rounding fastener heads. Store in the provided set organizer to maintain full inventory on the job site.