zinc hit anchor Material:zinc alloy Size:3/16x7/8,1/4x3/4,1/4x1,1/4x1-1/ ... /2,1/4x2,6x30,6x40,6x50,6x60 zinc hit anchorSize:3/16x7/81/4x3/41/4x11/4x1-1/41/4x1-1 ... through object to be fastened2. Insert the hammer drive anchors,3. Set by driving expander pin into head The other zinc ...