Model BB9950. Part Number BB9950. The flex back design provides users hardened teeth (63 HRC tooth hardness) with a softer back (32 HRC back hardness) to increase flexibility and maximize the blades lifespan.
Model BB9950. Part Number BB9950. The flex back design provides users hardened teeth (63 HRC tooth hardness) with a softer back (32 HRC back hardness) to increase flexibility and maximize the blades lifespan.