... , 60T, 80T, 100T, 120T1) Cheap DIY: with K20(HRA90-91) Carbide Tipped, well Cemented, Body Heat-treatment, Surface Polishing and Tips Grinding ... , Balancing2) High Quality DIY: with K10 or K01(HRA92-93) Carbide Tipped, well Cemented, Body Heat-treatment, Precise Surface and Tips Grinding ...