Đầu khẩu lục giác Vessel A20(A/F 4.5 x 55), A20(A/F 5.0 x 55), A20(A/F 5.5 x 55), A20(A/F 5.5 x 100)

Double End GO-SAI Bit 4

Square Double End Bit

Single End GO-SAI Bit 2

Square Bit 1

Double End Gosai Bit 5-pc set 1