Replacement grinding discs for BRUMAR PROFESSIONAL chain sharpeners (BM 014043 - BM 018780) 1) Ø 145 x 3.2 - bore 22.3 mm part no. 019793 2) Ø 145 x 4.7 - bore 22.3 mm part no. 008284 To purchase the disc you need, please select the item in the drop-down menu above. The price refers to the purchase of 1 PIECE AT