ADDITIONAL INFO: . 1.25(1-1/4") X ???W, 200 SERIES BEAD ARBOR, MFG BY CONRAC. . ON THIS ONE THE P/N ON THE SHANK IS NO DESCERABLE W/ CERTAINTY, SO, IT IS BEING NUMERICALLY VERIFIED (IN PROGRESS) . ALSO, VIEW OUR VAST SUPPLY OF BEADING HEADS, BEADING TIPS, BEAING ROLLERS, & BEADING DIES .