The Tiger Claw TC-G clip system is the fastest, easiest way to hide fasteners on grooved decking. It has been specifically designed to work in 5/4" decking boards. TC-G works in pre-grooved decking planks or non-grooved decking planks using TC-150 slot cutter. The TC-G is made of 304 grade stainless steel and is approved for use in saltwater applications and ACQ or chemically treated lumber for long-term performance. The clip's sharp prongs embed into the upper portion of the groove for strong holding power. The stainless steel screw ensures a lasting connection between decking board and joist. 90 Pack For fastening composite, PVC and wood decking boards Fits most 5/4" grooved decking Ultimate corrosion resistance ACQ approved Strong connection between decking and joists Requires no special tools Spacer tabs on the clip automatically gap the decking 3/16" for a consistent look Reduces wood splitting, wood rot and board cupping Use with Tiger Claw Pneumatic Installation Gun for fastest possible installation.