Description: Precision-machined upper steel shaft where the upper double-flanged idling pulley wheel spins to align and carry the bandsaw blade. Features: High-Tensile Alloy Core: Machined from single-source, centerless-ground alloy steel that resists bending or breaking under extreme blade tension forces. Precision Ground Bearing Seats: Micro-polished to mirror-smooth tolerances, allowing the inner races of the upper wheel bearings to press on…