40 pc 1/4 in & 3/8 in Drive Mechanic's Tool Set

Product Overview

The STANLEY® 40 Piece Mechanics Socket Set is constructed of high-alloy steel and heat-treated for performance. The Max-Drive design provides 15-percent more torque, and meets or exceeds ANSI standards for sockets and ratchets. This set includes a 72 tooth ratchet for smooth operation in tight spaces.

Additional Features

  • Meets or exceeds ANSI specifications


  • (15) 1/4 in. Drive sockets
  • (14) 3/8 in. Drive sockets
  • (1) 3/8 in. Drive extension bar – 3 in.
  • (1) 3/8 in. Drive F to 1/4 in. drive M adapter
  • (1) 1/4 in. Drive socket driver handle
  • (1) 1/4 in. Drive specialty bit holder
  • (1) Blow molded carry case
  • (1) 3/8 in. Drive pear head ratchet


Drive Size
1/4 & 3/8 in
Full Polish
Unit of Measure
Fractional & Metric



  • Limited Lifetime Warranty

We're confident of the quality of our products and we'll repair, without charge, any defects due to faulty materials or workmanship within the specified warranty.

Learn More


We take extensive measures to ensure all our products are made to the very highest standards but on the rare occasion that you need our help & support, we've got you covered.

Support Manual