Wrench Head 3/4" Square Drive Ratcheting Torque - Wrench Model: SDM-165

Model: SDM-165

Durable Williams Construction: Built for long service life in demanding field and plant environments

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is a high-quality ignition component designed for oil and gas-fired heating systems

The Malco PT1 is ideal for professionals installing in-floor radiant heating systems

Wrench Head 3/4" Square Drive Ratcheting Torque - Wrench Model: SDM-165Williams QZD24B 3 4" Square Drive Ratcheting Torque Wrench Head The Williams QZD24B 3 4" Ratcheting Square Drive Torque Wrench Head is a heavy duty, industrial grade attachment built for high torque applications where speed, accessibility, and reliability are essential. Featuring a robust 3 4" square drive and Williams' precise ratcheting mechanism, this torque head enables fast, efficient tightening and loosening without repositioningideal for