The Koken RS3400W/7 is a 7-piece 3/8-inch square drive 6-point British Standard Whitworth (BSW) socket set mounted on a 200 mm metal storage rail.
The Koken flat drive sockets ensure flat surface contact between the socket and the bolt/nut. The flat drive system reduces wear and allows to transmit a higher torque value.
FEATURES:
Input Drive Size: 3/8 in (9.5 mm)
Socket Type: 6-point standard depth, Whitworth profile
Included Sizes: 1/8″, 3/16″, 1/4″, 5/16″, 3/8″, 7/16″, and 1/2″ BSW
Material Composition: Cold forged heat-treated chrome molybdenum alloy
Compact Organisation: Comes securely attached on a metal clip rail for quick size identification and simple toolbox storage
