E-Z LOK 400-4 Threaded Inserts for Wood, Installation Kit, Brass, Includes 1/4-20 Knife Thread Inserts (5), Drill, Installation Tool,Gold-Black-Silver
E-Z LOK Knife Thread inserts provide an easy to use solution for adding machine threads to wood. Ideal for use in virtually any wood (not recommended for plywood), these inserts use a proprietary external thread for superior holding power.