Pro Back Winder Door Solid Steel Hub for Torsion Springs 1" Solid/Hollow Shafts

Safely back wind the torsion springs in tricky “slipped cable” situations

Easily slide and tighten the solid steel hub on either end of the torsion shaft to back wind the torsion springs using a 5/8” winding bar, unwrap, and re-install the cables on drum

Can be used on 1” solid or hollow shafts