SINGLE BEVEL Heavy Duty Straight Blades, SINGLE BEVEL, 2 notch, MADE IN SHEFFIELD - pack of 100Single bevel bevelled one side, heavy duty trimming knife blades 0. 63mm thick (0. 025"). THESE SPECIALIST SINGLE BEVEL HEAVY DUTY BLADES ARE BEVELLED TO RAZOR BLADE SHARPNESS ON ONE SIDE ONLY. They are stamped 'Made in Sheffield'. Manufactured in hardened and tempered carbon steel, these razor sharp heavy duty quality blades are designed to withstand the most arduous materials and tasks. The blades are very robust, are lightly oiled and packed in