Twist Drill Adaptor Chuck On 3/32" Shank-0.00mm-0.70mm Capacity Thumler's Tumbler Note on sizing: Glardon-Vallorbe precision

Note on sizing: Glardon-Vallorbe precision files are measured from the point where the teeth begin to the end of the file

investment powder + 1 pint and 2 quarts binder solution

An exclusive locking mechanism keeps the lens protected when not in use

then held firmly in place while honing on an oilstone

Twist Drill Adaptor Chuck On 3/32" Shank-0.00mm-0.70mm Capacity Thumler's Tumbler Note on sizing: Glardon-Vallorbe precisionThe Technique Twist Drill Adaptor Chuck mounts on a standard 3 32" shank and is designed for use with HSS twist drills that maintain a consistent diameter from tip to shank. This small chuck accommodates twist drills from the smallest available sizes up to 0. 70 mm, corresponding to Twist Drill sizes #80#71. Precision made in Germany, it is a reliable addition to any jeweler's or metalsmith's bench setup for fine drilling work. Features Accepts