KICK-EEZ spacers are the perfect solution for any DIY project. Made from a strong and lightweight plastic polymer, they have superior machining and sanding characteristics that give them a great finish. Plus, the extra-long slotted hole at the toe (small end) of each spacer makes it easy to adjust the length of pull to match almost any hole location.Features :Hard Plastic Construction"1/2" Thickness,Extra Long Slot Holes