Silinda ya master ya M39077 yokhala ndi mainchesi 1-1/8 ″ (yofanana ndi 28.58mm) imapangidwa ndi chitsulo chonyezimira.Ndi mitundu iwiri yozungulira yokhala ndi madoko awiri, ndipo kukula kwa madoko awiri kumanzere ndi 1/2-20 ″ yakutsogolo, ndi 9/16-18 ″ yakumbuyo.Ndipo manambala ofotokozera a silinda iyi ndi 18001007, 18002455, 18005250, 18009462, 2621565 ndi ect…