Hudy Pinion Presser for safe, effortless investing in slot car pinions, ideal for 1/32 and 1/24 competition. Frame is constructed of high-strength aluminum alloy with signature HUDY black colored colored finish and distinctive silver edging. Smooth-operating, deep-threaded presser shaft made out of world-renown Hudy Spring metal?. Dimpled base is quite aligned with presser shaft, eliminating the probability of curved armature shafts.