ALORIS CA #2 BORING, TURNING & FACING HOLDER GROOVE QUICK CHANGE 1/2-1 CAP USA. Boring, turning and facing holder #2 tool bit capacity is 1/2-1" and 13/16" shank diameter. Dimensions: A=1-11/16", B=1", C=3/4", D=2-1/2", Shank=13/16. V groove holds round shank boring bars and tools as well as square tool bits. Turning and facing tools can be locked in together saving time and labor when changing operations. We also sell custom tooling packages!