Axle Peg 7/32 diameter x 1-3/16" tenon. Use for wheels with 1/4" hole. This longer style axle peg offers a 1/8" more gluing length than the standard axle peg. Use for wheels with 1/4" hole. Axle peg length shown is the tenon length. The peg is snug in 7/32" hole. Typically you make the hole in toy body 7/32" and your wheel has 1/4" hole, allowing the axle to attach to toy and the wheel to spin freely. This axle peg is slightly longer than #Ap1.