The Astro Pneumatic 71021L is a 21mm (13/16") lug nut drum socket engineered as the market's first thin wall deep torque multiplying socket for 1/2" impact wrenches. Designed to deliver the same torque advantage as short drum sockets while extending reach for use on lug nuts and stubborn applications such as crank bolts, this socket redefines what a single attachment can accomplish. Its innovative hollow drum construction multiplies the output torque of your impact wrench beyond what solid or flywheel-style weighted sockets can achieve. Constructed from durable alloy steel with a black finish, the 71021L is built to withstand the rigors of professional shop and heavy-duty automotive use.
Features
Thin wall deep drum design retains full torque advantage while accommodating lug nuts and stubborn fasteners like crank bolts
Hollow drum design multiplies torque of a 1/2" impact wrench more effectively than solid or flywheel-style weighted sockets
Upgrades a mid-size impact wrench to high-torque performance, or takes a high-torque wrench beyond standard power tool market capabilities
Compatible with both air-powered and cordless 1/2" impact wrenches
Constructed from high-quality alloy steel for long-lasting durability
Specifications
Socket Size: 21mm (13/16")
Drive Size: 1/2"
Material: Alloy Steel
Color: Black
Item Weight: 2.31 lbs
Package Dimensions: 5.51 x 2.83 x 2.6 in
Compatible Power Sources: Air-powered, Cordless
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