Apex 81217 Drive Adapter Set 1/4 3/8 1/2 Inch 4 Piece

Product Description

The APEX 81217 is a four-piece drive adapter set designed to bridge mismatched drive sizes between ratchets, sockets, and extensions. Built from alloy steel, the set covers the most common drive conversions encountered in mechanical and trade work. Weighing 0.32 pounds total, the kit is compact enough to store in a tool bag or roll-away drawer insert. Licensed electricians, HVAC technicians, plumbers, and general mechanical tradespeople reach for a set like this when switching between light-duty and heavy-duty drive tools without swapping out an entire socket set.

This adapter set is suited for professional shop environments, service vans, and field repair kits where multiple drive sizes are in regular use. The four included adapters cover the full range of common ratchet and socket drive transitions, making it practical for automotive, mechanical, and equipment service applications. The alloy steel construction holds up to the torque demands typical of 1/2 inch drive tools while remaining compatible with lighter 1/4 inch drive components.

Key Features

• Four-piece set covering all common drive size transitions: 1/4 inch, 3/8 inch, and 1/2 inch
• Includes 1/4 inch F x 3/8 inch M, 3/8 inch F x 1/4 inch M, 3/8 inch F x 1/2 inch M, and 1/2 inch F x 3/8 inch M adapters
• Alloy steel construction for durability under standard drive torque loads
• Compact and lightweight at 0.32 pounds for the full set
• Sold as a set of one each adapter — no duplicates

Compatibility

Designed as a standard drive adapter set compatible with 1/4 inch, 3/8 inch, and 1/2 inch square drive ratchets, extensions, and sockets following ANSI drive size conventions.

Installation Notes

Always confirm the adapter drive direction before applying torque — female end receives the ratchet or extension, male end accepts the socket. Do not use adapters to exceed the rated torque of the smallest drive size in the combination. Inspect adapters for cracks or wear before use on high-torque fasteners.

Technical Specifications

• Drive Sizes: 1/4 inch, 3/8 inch, 1/2 inch
• Material: Alloy Steel
• Piece Count: 4
• Weight: 0.32 pounds
• UPC: 099575812170

Standard Information

• Brand: APEX
• Manufacturer Part Number: 81217