“IMPERIAL” MASTER CHUCK
- Master Chuck? I fits heavy duty 3/8″ to 3/4″ chucks (Part no. 70292).
- Master Chuck? II fits 1/4″ to 1/2″ chucks.
- Save wear on chucks by always having the proper key size available
- The squared center of the key opens acetylene tanks.
- Treated steel with a black oxide finish
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