Whitney Tool Collet For Drill Extension System Series #1, 1/4″ Hex Size, 4mm Size, .1575″ Inside Diameter

• Shank Type: Straight Shank
• Slim profile gets into places that other collet type extensions cannot accommodate.
• For extended reach drilling.
• 4″ & 9″ extensions use collets.
• Accommodates 1/16″ thru 5/16″ drills.
• The threaded type collets eliminate the need for bulky collet nuts.
• Easy to change collets, no special wrenches required.
• Bodies & collets made of M2 high speed steel.

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