... 1.size:standard 2.material: carbon steel 3.color: yellow zinc plated 4.long hole yellow zinc plated sleeve anchor (M6.5-20 ... steel.2.Coating: Cr6 zinc/Cr3 zinc,3-5μm.3.preassembled for quick and easy installation. ... )American system:Outer diameter:1/4,5/16,3/8,1/2,5/8,3/4,"1"; working length from1-3 ... carbon steel & stainless steel3. The sleeve anchor is a dependable anchor that can be used in solid brick, ...