Synthetic Diamond Insert 2mm x 3mm x 4mm is set on the centre into rectangle blade 5mm thick x 10mm width x 30mm long with 0.25mm (0.010”) – 0.5mm (0.020″) lapped radius with 40 degree included angle and 6mm mounting whole.CHB-4010. .25mm (0.010”) Radius CHB-4020. 0.5mm (0.020”) Radius
