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The BSC PREFERRED 86911 is an 11mm 90-tooth, 12-point combination ratcheting wrench built for professional tradespeople who work in confined spaces. The 90-tooth gear mechanism produces a swing arc of just 4 degrees, allowing the wrench to engage and turn fasteners where full rotation is impossible. The 12-point box end fits both standard and worn hex fasteners with reduced slippage risk. A longer, wider beam increases reach and leverage compared to standard combination wrenches. Large color-coded metric size markings allow quick identification during fast-paced work. This wrench exceeds ASME performance specifications for hand tool strength and durability.
The 86911 is suited for mechanical, HVAC, plumbing, and electrical installation work where metric fasteners are common. Its compact swing arc makes it practical in engine bays, equipment panels, tight duct framing, and confined mechanical rooms. The combination design provides an open end on one side for initial bolt engagement and a ratcheting box end on the other for final tightening or removal. Trades that rely on metric tooling will find this a reliable addition to a professional hand tool set.
Designed as an OEM-style replacement or upgrade wrench for use with 11mm metric fasteners in professional hand tool applications across HVAC, plumbing, electrical, and general mechanical trades.
This wrench is a hand tool intended for use by qualified tradespeople working on mechanical fasteners. Always select the correct wrench size to avoid rounding fastener heads. Ensure equipment is de-energized, de-pressurized, or otherwise made safe before beginning any fastener work. Do not use extension bars or additional leverage devices with this wrench, as doing so may exceed rated tool capacity.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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