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The WILLIAMS COMFORT PRODUCTS B-110 is a 3/8 inch drive extension designed for use with standard 3/8 inch drive ratchets and sockets. At 6 inches in length, it provides additional reach in confined or recessed fastener locations where a ratchet head alone cannot fit. This type of extension is a common hand tool used across HVAC, plumbing, electrical, and general mechanical service work. Technicians rely on drive extensions when accessing fasteners behind panels, inside equipment enclosures, or in tight equipment bays. The B-110 is sold individually and weighs 0.344 pounds.
This 3/8 inch drive extension suits a wide range of trade applications. HVAC technicians use extensions when servicing blower assemblies, compressor mountings, and access panel hardware. Plumbers and pipefitters reach for them when working around tight fixture or valve mounting points. Electricians use them for panel and junction box fasteners in confined spaces. Any trade professional working with a 3/8 inch drive ratchet set will find a 6 inch extension a practical addition to the socket set.
Designed to work with standard 3/8 inch drive ratchets, breaker bars, and sockets following common drive size conventions.
Drive extensions do not require installation but should be seated fully into the ratchet and socket before applying torque. Inspect the drive square and detent mechanism for wear before use. Do not use extension bars to increase torque beyond the rated capacity of the socket or fastener. Store with the socket set to prevent drive square damage.
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