Impact Adapter NO.:E1401--E1403 · cold forged · surface: black phosphated NO. SIZE L(mm) QTY./CARTON E1401 3/8"(F)x1/4"(M) 32 12/360 E1402 3/8"(F)x1/2"(M) 36 12/240 E1403 1/2"(F)x3/8"(M) 36 12/240