EX-4
Extension Diameter: 7/16"
Shank Diameter: 1/4"
Shank Length: 1"
OAL: 4"
Use the EX-4 carbide bur extension to replace your special long shank carbide burs. Just insert the shank of the carbide bur into the extension and tighten the collet and you have replaced your special long shank carbide burs with a 4" long extension.
Retail Price: $59.95
