Spin type vanes from XS Vanes Key features: Made of a highly durable material for long lasting fletches High profile design optimised for higher poundage or compound bows Larger, 4" size normally prefered for use on bigger diameter or "indoor" shafts Shaped to improve arrow spin, clearance, and improve group size Fletching tape and top and tail tape included Designed to be easier to fletch than other spin style vanes Two different models for clockwise (RH) or anticlockwise (LH) arrow rotation Each pack contains 50 vanes Several attractive colour options available See related products below for low profile version, optimised for lighter poundage bows. Specifications: 3.8grains