... floating cubes for two-layers high. HMA-301 : Long Connecting Pin, HDPEFunction : Interlock and combine the floating cubes for two-layers ... be Zinc Alloy, Stainless Steel, Aluminium, Brass, Steel, Wood and Plastic, etc... And various finishings such as Chrome Plating, Brush Nickel ... the globe to contact us for business cooperation. Long Connecting Pin