Impact Adapter NO.:TM-E1401--TM-E1403 Clicks : 252 · cold forged · surface: black phosphated NO. SIZE L(mm) QTY./CARTON TM-E1401 3/8"(F)x1/4"(M) 32 12/360 TM-E1402 3/8"(F)x1/2"(M) 36 12/240 TM-E1403 1/2"(F)x3/8"(M) 36 12/240