Product Despcription Dimensions D Flushing hole(mm) Buttons(mm) Angle Class Part no. mm in Front No Size Gauge No Size Front No Size Gauge No Size 45 1 3/4 1*5.5 2*5.5 2*9 5*11 30�° H 3045R3207 48 1 7/8 2*6 1*5 2*9 5*11 30�° H 3048R3207 51 2 2*6 1*5.5 2*10 5*11 30�° H 3051R3207 43 1 11/16 2*5 2*5 2*8 6*9 30�° S 3043R3208 45 1 3/4 2*5 2*5 2*9 6*10 30�° S 3045R3208 48 1 7/8 2*5.5 2*5 2*9 6*10 30�° S 3045R3208 43 1 11/16 3*4 2*5 3*8 6*10 30�° M 3043R3209 45 1 3/4 3*5 1*5 3*8 6*10 30�° M 3045R3209 48 1 7/8 3*5 1*5 3*9 6*10 30�° M 3048R3209 54 2 1/8 3*6 1*5.5 3*10 6*11 35�° M 3054R3209 45 1 3/4 3*5 1*5 3*8 6*10 30�° M 3045R32F09 48 1 7/8 3*5 1*5 3*9 6*10 30�° M 3048R32F09 51 2 3*5.5 1*5.5 3*9 6*10 35�° M 3051R32F09 54 2 1/8 3*6 1*5.5 3*10 6*11 35�° M 3054R32F09 57 2 1/4 3*6 1*6 3*10 6*11 35�° M 3057R32F09 Remarks: Hemispherical-66(Usually for very hard rocks) Ballistic-65(Ususally for medium hard rocks) Semiballistic-64(Usually for medium hard rocks) Conical-67(Usually for soft rocks)