Small Master Chuck

These versatile Master Key Chucks are available in two sizes (small and large) which open sizes 1/4" to 3/4". These tools allow you to open over 1200 different key chucks. Save wear on chucks by always having the proper key size available. The squared center of the keys opens acetylene tanks. Made of treated steel with black oxide finish.

Dimensions: .7X4.375X6.125