3 Piece Steel Hard Jaw Set For 3″ 3-Jaw K11 80 Lathe Chuck (3900-4730) ~ Set includes 3 pieces. ~ Fits most 3-jaw self-centering lathe chucks with replaceable external jaws. ~ Top jaws, also known as hard or step jaws, hold a work piece during an operation. Set includes 3 pieces. Fits most 3-jaw self-centering lathe chucks with replaceable external jaws. Top jaws, also known as hard or step jaws, hold a workpiece during an operation.
