Description
Jacobs 1/2″ Professional Keyless Chuck with 3/8″ Mount is a hand tight chuck that makes any 3/8″ drill a 1/2″ drill. Based on an exclusive patented design, it achieves higher gripping power than standard keyed chucks and improves drill performance. The Jacobs Chuck Manufacturing Company is a recognized leader in the design and manufacture of precision tool and work holding devices for stationary equipment and portable power tools.
1/2 In. Professional Keyless Chuck with 3/8 In. Mount.
Hand tight and makes any 3/8 In. drill a 1/2 In. drill.
Exclusive patented design achieves higher gripping power than standard keyed chucks.
Improves drill performance.





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