Koken 3440A-5/16 5/16" (inch) 3/8" 6-point Universal Joint Socket

Part Number:  KK3440A-5/16
Brand:  Koken
Square Drive  3/8"
Drive Type  6 Point
Size Type  Inches - AF - SAE
Length  Standard
Material  Chrome
Flexi - UJ  Flexi - UJ
Size  5/16"