SUPÉR 12 BLADE TRIMMING & FINISHING CARBIDE BURS 7802 (1.0 mm head size, 3.4 mm head length), Friction Grip Shank used with High Speed Handpiece, Bullet, Made in Canada (100 Burs). An advanced technology burs. These burs have premium quality, precision ground blades and wide variety of shapes and sizes. Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.