600250 600283 8073 10309188 18109.MKRRL 18500 189490503 189501072 40 RL-E # 18611 VK ALFRA ROTABEST PICCOLO 32/50 WD Art.No. 01650 Compact Set Tristar Plus PG RB 35 SP RB 50X Rotabest 40 RQ - obsolete, alternative - RB 50X; Rotabest-HSS-Co-Eco-Kernbohrer Schnittiefe 25 mm Rotabest-HSS-Co-Eco-Kernbohrer Schnittiefe 50 mm