NC Black H4 Large Anticlastic Block Holder Du-Matt Reverse use: With screw-top mandrels

Reverse use: With screw-top mandrels and unmounted wheels

lubricate the punch edges lightly

Hand polished — slight size variation between individual stakes is normal

Adjustable chuck #30 type handpiece (accepts 0–5/32" shanks)

NC Black H4 Large Anticlastic Block Holder Du-Matt Reverse use: With screw-top mandrelsThe NC Black H4 Large Anticlastic Block Holder secures your Large Anticlastic Forming Block firmly in a vise, eliminating slippage during forming. Once clamped, the setup feels solid and predictable, letting you focus on controlled metal movement. Features Designed to securely hold the NC Black Large Anticlastic Forming Block in a vise Prevents block movement and slippage during forming operations Purpose built geometry for a precise, stable fit