Ideal for enthusiasts and professional carpenters working with pressure treated lumber or synthetic decking materials requiring reliability spacing solution for outdoor structures The Deck Spacing Tool 4 thickness option ( 5 / 32in, 3 / 16in, 1 / 4in, 5 / 16in) craft of durability ABS, ensuring accurate deck gaps control for proper drainage and board expansion in woodworking projects engineered shims feature uniform thickness for consistent spacing control between deck boards and composite materials, not requiring specialize tool for quick installation Deck gaps spacers feature stamped measurement, eliminating manual errors while installing composite, PVC, or hardwood decking boards with consistent spacing Durability ABS deck spacers wood warping, cracking, and damage, ensuring long last floor stability and alignment during wood floor installation