Feature: 1. Compatibility: The brake caliper press tool set is suitable for single, double, and four piston calipers, specifically designed for disc brakes (not for drum brakes). When you need to measure brake pad thickness or compress brake calipers, it will be an essential tool for your car. 2. 360° Ratcheting Design: The brake caliper features a 360° ratcheting design, making it easy to locate and use, allowing for easy compression of calipers and piston retraction when installing new brake pads. 3. Brake Pad Thickness Gauge Tool: The brake caliper press tool easily measures brake pad wear without removing the wheel or caliper assembly, helping determine the need for brake pad replacement. 4. Caliper Hook: The tool set includes a robust caliper hanger hook to support the caliper when not installed, preventing damage to brake lines by preventing the caliper from hanging on the brake line. 5. Dependable and Improve Work Efficiency: All tools in the set are made of hardened steel, professionally designed for various vehicles, enhancing the efficiency of brake system maintenance work. Specification: Item Type: Brake System Repair Tool Kit Material: Steel Full Tool Kit: Brake Caliper Press Tool, Brake Pad Thickness Gauge Set, Brake Caliper Hook and Steel Plate. Brake Caliper Press Tool Application: For disc brakes, not for drum brakes. Suitable for single, double, four pistons, and single, double piston floating calipers. Brake Caliper Steel Plate Dimensions: Approx. 4.53 x 2.36 inches / 115 x 60mm 5.83 x 2.36 inches / 148 x 60mm 6.93 x 2.36 inches / 176 x 60mm Brake Caliper Compression Stroke Range: Minimum Distance: 1.57 inches / 40mm, Maximum Distance: 2.76 inches / 70mm Brake Pad Thickness Gauge Set Application: Suitable for brake pads of light cars, trucks to heavy transport vehicles. Function: Used to measure brake pad thickness without removing the brake caliper assembly to check for pad wear. Measurement Range: Metric: 2, 3 mm (red), 4, 5, 6 mm (yellow), 8, 10, 12 mm (green) SAE: 0.0787 to 0.1181 inches (red), 0.1575 to 0.2382 inches (yellow), 0.3150 to 0.4720 inches (green) Green: Nice brake pad condition. Yellow: Suggested brake pad repair. Red: Replace brake pads immediately. Brake Caliper Hook Application: Suitable for brakes, wheel bearing, axles, suspension systems, etc. Function: Used to support the caliper before installation, preventing the caliper from hanging on the brake and damaging the brake line.. Package List: 2 x Brake Caliper Press Tools 1 x Brake Pad Thickness Gauge Set 2 x Brake Caliper Hooks 2 x Steel Plates 1 x Blow Molded Box