1. MaterialThe 3piece brake disconnect pump adjustment tool set is crafted from vanadium alloy steel, forged for exceptional hardness and toughness. The chromeplated head resists rust, while the thickened design prevents deformation, ensuring longlasting durability. 2. Useful FunctionsEnables quicker brake pad replacement by compressing inner pads and resetting the piston. Safely retracts the caliper piston without surface damage. Features smooth, precision threading for effortless operation, delivering quality and versatility. 3. CraftsmanshipOur caliper compression tool is constructed from thicker, stronger materials compared to standard products. Made from heavyduty alloy steel, forged and heattreated, with precision machining for smooth threading. The doublesided 4tooth chuck accommodates a wider range of models, ensuring reliability and extended service life. 4. Easy to UseThis piston releaser hand tool effortlessly compresses brake pistons on single or multipiston calipers, simplifying brake pad changes. for workshops, DIY enthusiasts, and professional tradesmen.