Key features IMPORTANT OPERATION TIP: This ratchet tool requires initial pressure on both spreader plates to engage the gear. Please gently press both plates against the caliper pistons before swinging the handle – otherwise the ratchet will not catch. Watch our video guide for details. 360° Ratcheting Mechanism: Smooth rotating ratchet handle allows one-handed operation to compress caliper pistons evenly and quickly, much faster and safer than traditional C-clamps Universal Fitment: Includes 2 magnetic steel plates (Large: 7.01"x2.36"; Small: 4.53"x2.17") with adjustable spread range (1.88"-3.03") to fit single, twin, and quad piston calipers on most cars, trucks, and SUVs Complete Kit with Hooks: Features upgraded magnetic plates that hold securely during operation, plus 2 bonus hanging hooks to safely support the caliper and prevent brake hose damage during service Heavy-Duty Construction: Made from high-strength, corrosion-resistant alloy steel with rigid plates and reinforced structure that withstands high pressure without bending for long-lasting professional and DIY use Easy to Use Design: Intuitive flip-switch for instant direction change and ergonomic non-slip handle provide comfort and control, making brake pad replacement a simple one-person job TIP“IMPORTANT OPERATION TIP: This ratchet tool requires initial pressure on both spreader plates to engage the gear. Please gently press both plates against the caliper pistons before swinging the handle – otherwise the ratchet will not catch. Watch our video guide for details.” S:The ratchet only engages when the plates are pressed against the caliper.Just a little pressure gets it working! Free shipping included. 30-day hassle-free returns.