Includes 3 sets of Jaws!  PSI developed the PSI Mini-Grip 3 as the ultimate mini Self Centering lathe chuck. This 4 jaw self-centering system provides everything you need in a mini lathe chuck system.   It fits mini and midi lathes with 3/4" x 16tpi and 1" x 8tpi headstock threads.   Chuck Includes:  �#1 Step Jaws �#2 Jaws (included) �Headstock adapters for 3/4" x 16tpi and 1" x 8tpi �Allen wrench and set of tightening levers.
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Type: Lever Operated, "C" Style Compatible Spindle Sizes: 3/4" x 16tpi, 1" x 8tpi Included Jaws: Pin,#1,#2 Pin Jaw Grip: Internal: 1" to 2-3/8" #1 Step jaw gripping: External: 3/32" to 1/38", Internal 11/16" to 2-3/4" #2 Standard Jaw gripping: External: 1-1/2" to 2-5/8", Internal: 2" to 3-3/8" #3 Large Round Jaw Gripping: External: 3-1/16" to 4-3/8" - Not Included Large Flat Jaw Gripping: Not Available Small Flat Gripping: External: up to 5" - Not Included Category: Economy 3 & 4 Jaw Chucks