Punta per trapano aderente 1/8" foro tondo collettore gambo filettato 00502 - Nuova
They are black oxided to prevent corrosion while enhancing appearance. NOTE:THE COLLETS HAVE 1/4-28 THREADED SHANKS, THEY WILL NOT WORK WITH THE 00106 & 00110 KITS. Drill bit collet adapter has male thread size of 1/4-28.