130x55x19/24mm Fully Aluminum Contact Wheel with Keyway Active Wheel for Sanding Belt Machine

ID 19mm Keyway 10x6mm-- inner hole 19mm, keyway10x6mm, as the drawing shows

ID 19mm Keyway 6x3mm-- inner hole 19mm, keyway 6x3mm

ID 22mm Keyway 6x3mm-- inner hole 22mm, keyway 6x3mm

ID 24mm Keyway 8x3mm-- inner hole 24mm, keyway 8x3mm

ID 24mm Keyway10x6mm-- inner hole 24mm, keyway10x6mm