Grey Pneumatic impact sockets are designed for professional tool users. 3/8 in.; Drive x 5/16 in.; Square Male Pipe Plug 4-Point Impact Socket. They also allow up to 20% more torque to be applied than on other impact sockets.
Grey Pneumatic SOC 3/8 3/8D IMP PIPE PLG SQ 4PT MALE
Grey Pneumatic SOC 1/4 3/8D IMP PIPE PLG SQ 4PT
Grey Pneumatic SOC 33MM #5D IMP SPLN DP BLK
Grey Pneumatic SOC 33MM #5D IMP SPLN BLK
Grey Pneumatic SOC 17MM 1"D IMP SQ 4PT MALE
Grey Pneumatic SOC 15/16 1"D IMP SQ 4PT