Description Set of 4 optional jaws for our Viper3 geared scroll chuck The Stepped jaws have a serrated edge both internally and externally They give great flexibility by combining standard sized jaws and pin jaws Jaws project 24mm from base plate Step 1 Expands from 19mm to 54mm Step 2 Expands from 38mm to 73mm Contracts from 38mm to 3mm
