NOVA 23055 SUPERNOVA 2 CHUCK W/2" JAWS, NOVA 6014 3" BOWL JAWS, AND WOODWORM SCREW 4" Self Centering Woodlathe Chuck INCLUDES: 2" dovetail jaws, 3" Bowl Jaws, woodworm screw Holds in both contraction and expansion modes Large range of accessories available ADAPTER INSERT MUST BE ORDERED SEPARATELY