LightSpeed The best speed shaft on the market. LightSpeed delivers all-out quickness balanced with mid-diameter line-cutting ability. Sizes 500, 400, 340 Uni Bushing�Installed Points�Sold separately CB UNI & �G� Nock�Sold separately (optional) Note: One size CB Insert and CB Point fits all LightSpeed shaft sizes. Straightness: � .005" Guaranteed max Multi-layer wrapped carbon fibers Weight tolerance: � 2.0 grains Black, smooth matte finish