Used in tailstocks to secure pen blanks on the mandrelEliminates damaged mandrels and out-of-round pen blanks by putting pressure directly on the pen bushing, not the mandrelAdapts to almost every mandrel with a shaft diameter of .245 inch (6.22mm) or smaller; mostly commonly used with 7mm mandrelsProvides no pressure on the mandrel thus eliminating any bending and vibrationThere is no longer a need for spacer bushingsTailstock Mount: MT2 (Morse Taper)colour:Silver + blackMaterial:steelPackage Contents:1 * Pen Live Mandrel SaverOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.