Feature●THREAD - #6-32 Thread●ACORN NUT HEIGHT - 3/8" Tall●DURABLE NYLON - Acorn Nut is Made of Nylon●SET OF 25 - Set of 25 Post Cap Acorn Nuts●GREAT FOR BARS AND GAME ROOMS - Perfect for Commercial or Home UseDescription Nylon pinball post cap acorn nut used in Williams and Bally games. #6-32 Thread. 3/8" Tall. Stern: 240-5000-00