PHASE II #2 Boring, Turning & Facing Holder - Model .: 250-202 SERIES: #2 OVERALL HEIGHT OF TOOLHOLDER: 1-3/4" Tool Bit 1/4" - 5/8" Maximum Boring Bar Diameter: 1/2" Height To Top Of Tool Bar: 1-1/8",PHASE II" /> All working parts hardened and ground. Maximum rigidity for chatter-free performance. Completely sealed for maintenance-free operation. Increases productivity of all lathe operations. Change tools in seconds. No time wasted with shims.