STEALTHTM HANDPIECE (0-1/4″ CHUCK). An engineering breakthrough! Code named “Stealth” during years of secret development; this handpiece does it all! A miniature, key-chuck, packed in its 1” body, accepts shank sizes from 0 – 1/4” (7mm). No annoying collets or lock pins to lose or replace! StealthTM, features ball bearings & top quality; internationally patented. Available exclusively from Mastercarver®. 1”x5.5”. Includes chuck key. Upgrade today! Note: no tools are needed to replace handpieces. Compatible with all current Mastercarver®, Foredom and Pfingst machines plus all others that use the industry standard quick detach fitting.