This machinable ID jaw is used with Pneumatic Clamping Module AMWFH-WP. The jaw is made to grip and hold the internal form of the workpiece and it can be machined to fit the workpiece shape. The ten jaw sections expand to clamp the internal form of the workpiece. Used with tapered screw (sold separately) which is pulled down by supplying air to the clamping module turbo port. Allowable expansion diameter is 0.6 mm, making it ideal for lost wax, die cast, extruded, drawn, and premachined workpieces. It has a jaw locating repeatability of 0.02 mm and a workpiece locating repeatability of 0.03 mm. Made from anodized aluminum.