Tommy Blessing Ported Chain Mouth Bit 8" Cheek 5.5" Shank NRSTB05 With the help of Tommy Blessing, we have taken the best selling NRS stainless chain bit designed and built by Tommy and developed a silver line with the same 3 original mouthpieces on 3 new cheeks. All have an antique brown finish with engraved silver trim. S-style cheek. Engraved silver bars along the cheek with a silver concho at the mouthpiece. This bit has a longer purchase than the typical s-shank bit giving a different balance point.