6400 STEEL ROUTER COLLET Grounding The screw head should be

The screw head should be smaller than the large diameter stated below

A compact yet durable carrying case is included so that you'll always have a safe place to store your R3 and organize all of the accessories it comes with

Get easy adjustability and precise repeatability on your drill press with the Rockler Drill Press Fence

Brushless DC motor with high power to weight ratio

6400 STEEL ROUTER COLLET Grounding The screw head should be1 4"ID, 1 2"OD Product Description Collets are used to provide a strong clamping force to a router bit while reducing the required shank size of the bit in your router. 6400 Spec Inside DIA: 1 4" Outside DIA: 1 2" Overall Length: 1 1 4"