... 8" Sq.Dr. Shallow Impact Sockets, 6PT/INCH: 1)Both with groove and without groove are ... 3/8" Sq.Dr. Shallow Impact Sockets, 6PT / INCH Specifications:5/16", 3/8", 7/16", 1/2 ... 25-40days Huayi Impact SocketsSpecial heat-treated for the best combination of strength and impact resistance.Optimum wall thickness ... size or drawing request. HUAYI TOOLS is your best choice.Thanks for visiting our website!! 3/8" ...