US PRO 3721 54mm 3/4 Inch Drive 6 Point Impact Socket Box of 5

Built for high-torque applications and large fasteners, the US PRO 3721 54mm impact socket is designed to perform reliably in demanding workshop and industrial environments. Forged from strong 42CrMo chrome molybdenum steel, it is hardened and tempered to withstand repeated use with powerful air and electric impact tools.

The 6 point design provides maximum contact on fasteners to reduce the risk of rounding, while the 72mm overall length offers improved reach on deeper fixings. Finished with a black phosphate coating for corrosion resistance, this socket is supplied as a box of 5, making it ideal for professional garages, plant maintenance, and fleet servicing.

Key Features

• 54mm impact socket for high torque applications

• 3/4 inch square drive

• 6 point profile for secure fastener engagement

• Manufactured from 42CrMo chrome molybdenum steel

• Hardened to HRC 45 for durability

• Black phosphate finish for corrosion protection

• Supplied as a box of 5 sockets

Specifications

• Size: 54mm

• Drive: 3/4 inch

• Points: 6

• Overall length: 72mm

• Outside diameter (socket end): 74mm

• Outside diameter (drive end): 44mm

• Material: 42CrMo chrome molybdenum steel

• Hardness: HRC 45

• Finish: Black phosphate

• Pack quantity: 5