Simply drill a hole in your timber to accommodate the shank of this fitting and hammer it home! It provides a captive nut that is held in place by the prongs. Ensure that you fix the nut so the bolt pulls against the prongs. NOW AVAILABLE IN 10's These items are now sold by the ten. If you enter the quantity 1 you will receive 10 tee nuts. If you enter 11 you will receive 110 tee nuts