... : 4, 5, 6, 7, 8, 9, 11, 13, 15Single Stack Magnum(M1)size:5, 7, 9, 11, 13, 15, 17, 19Double ... Stack Magnum(M2)size:5, 7, 9, 11, 13, 15, 17Round Magnum(RM)size:5,7,9,11 ... ,13,15 Round Magnum Needles 1.All premade needles are sterilized by EO gas, ...