zinc hit anchor Material:zinc alloy Size:3/16x7/8,1/4x3/4,1/4x1,1/4x1-1/4,1/4x1-1/2,1/4x2,6x30,6x40,6x50,6x60 zinc hit anchorSize:3/16x7/81/4x3/41/4x11/4x1-1/41/4x1-1/21/4x2M6x30M6x40M6x50M6x60 Installation introduction:1. Drill a hole with proper size through object to be fastened2. Insert the hammer drive anchors,3. Set by driving expander pin into head The other zinc alloy anchors:Hammer drive ...