General description This Laser Tools Drum Brake Shoe Spreading Tool 7433 is designed to facilitate the removal of the brake wheel cylinder without the need to remove the brake shoes or engage the hand brake. It effectively spreads the brake shoes and holds them in place while the cylinder is safely removed and replaced. Technical specifications Spreading range: 25mm (min) to 142mm (max) Drive: 3/8" D & 17mm Hex Usage Spreads and holds the brake shoes apart for easy removal of the brake cylinder Allows for hands-free operation, eliminating the need to dismantle the brake shoe assembly