Hudy Pinion Presser for safe, easy installing slot car pinions, perfect for 1/32 and 1/24 race. Frame is made of high-strength aluminum alloy with signature HUDY black finish and distinctive silver edging. Smooth-operating, deep-threaded presser shaft made from world-renown Hudy Spring metal?. Dimpled base is completely aligned with presser shaft, eliminating the likelihood of curved armature shafts.