Original USA MADE Jacobs 1/4" Plain Bearing Drill Chuck 1JT Mount 1A Windshield fitting tool Bison 8" 4-Jaw Self Centering

Bison 8" 4-Jaw Self Centering Lathe Chuck

The wrench is angled at 15° and has a fine ratchet system which allows a 5° working arc

Semi-steel body

Type: Expansion

Collet Accuracy

Original USA MADE Jacobs 1/4" Plain Bearing Drill Chuck 1JT Mount 1A Windshield fitting tool Bison 8" 4-Jaw Self CenteringOriginal USA MADE Jacobs 1 4" Plain Bearing Drill Chuck 1JT Mount 1A Made in USA. May be a little stiff due to decades of storage. Jaws Center Ground for Absolute Straightness and Alignment One Piece Sleeve Eliminates Crack Between Driving Teeth Often Found in Other Designs Through Hardened Sleeve Teeth, Plus Hardened Nose and Keyholes Provide Outstanding Wear Resistance Each Chuck 100% Inspected for Performance and Precision T. I. R. . 004" Maximum