0.3125" first hole diameter 1.1200" overall length 5/32 radius paralell to drilled hole tin outside diameter surface of body surface treated 17c solid, plain, no outside flanges
0.1875" first hole diameter 1.3750" overall length half moon cut 0.1562 in. radius in one end in line with hole tin alloy outside diameter surface of body surface treated 17c solid, plain, no outside flanges