The Vane Master Pro is an innovative tool that provides perfect arrow fletching with little to no adjustment with virtually every arrow size. It allows you to fletch your arrows at a 0 – 5° , left or right, and can hold vanes up to 4” in length. The Vane Master Pro can also 3 or 4 fletch configurations (4 fletch knob sold separately) while using Vane Flat Technology. This technology uses two wires that hold the vane, giving the clamp the ability to perfectly contour around the shaft, for perfect vane adhesion every time. Features:0-5º helical, left and rightEquipped with vane flat technology that uses rotating wires to allow for perfect vane adhesion across your arrow shaftPrecision, accuracy, and infinite adjustability3 & 4 fletch (90° & 105/75°) configurationsWires use glue resistant covers for clean fletching jobs LCA Vane Master Pro VMP1001