Sturdy material and durable construction - Made of high quality steel with high hardness and strong toughness - Thickened top resists deformation for reliable performance - Wear resistant and long lasting for extended service life Precision design for reliable operation - Specially developed smooth thread and double-sided two-tooth clamping head for precise caliper piston control - To actuate, use a T-shaped handle or external hex head to reset the brake piston when replacing pads Versatile brake and component service - Caliper compression tool allows pistons to be pushed back and forth to replace brake pads and discs and install brakes - Also suitable for removing or installing press connections such as ball joints, universal joints, automotive brake mounting pins, etc Easy to use and complete kit - Simple design with retraction pistons on both the left and right piston saddles, both threaded for adjustment - Includes screws and adapter plate in the kit to easily reset the brake piston Typical applications - Replacing brake pads on a disc brake caliper, requiring piston retraction to fit new pads - Replacing brake discs where extra piston clearance is needed - Servicing automotive suspension components that involve press connections such as ball joints, universal joints, or brake mounting pins