The Original professional Master Chuck Key
Opens heavy duty 3/8-Inch to 3/4-Inch chucks
Heat treated tough alloy steel for long life
Opens 86 different chucks
The square center of the key opens a acetylene tanks

Technical Details

Size (LWH): 3.9 inches, 3.8 inches, 0.5 inches
Product Details
Product Dimensions: 3.9 x 3.8 x 0.5 inches
Package Dimensions: 3.6 x 3.4 x 0.6 inches
Shipping Weight: 0.45 pounds (View shipping rates and policies)
ASIN : B0000AX9Q8