Carbon or Stainless Steel Models

• MASTER CHUCK I opens heavy duty 3/8" to 3/4" chuck keys

• MASTER CHUCK II opens light duty 1/4" to 1/2" chuck keys

• These tools let you open over 200 different chucks

• Squared center of the keys open acetylene tanks

• For Stainless Steel Models: they are polished, extra wear resistant, and do not rust

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Available Chuck Keys:

   ST-12.....Carbon Steel MASTER CHUCK I

   ST-12A.....Stainless Steel MASTER CHUCK I

   ST-13.....Carbon Steel MASTER CHUCK II

   ST-13A.....Stainless Steel MASTER CHUCK II

Stainless Steel Models

Carbon Steel Models