UNIVERSAL BRAKE PRESS SET: This SPELAB brake piston compression tool includes two sets of magnetic plates to deal with the single, dual, or quad piston calipers of virtually every passenger and commercial vehicle on the road today. Features: The brake caliper press is equipped with two groups of push boards: 7.01×2.36 inches and 4.53×2.17 inches. Work of Single, Double, and Four Side Piston Brake. Centrally located ratchet screw creates even force when compressing pistons to ensure proper alignment and to prevent damage to your brake components. Ideal for most large trucks and commercial vehicles with quad piston calipers.Easy to install, easy to remove. Ratchet technology gives a full 360-degree swing so that the spreader may be placed at any position. The extended reversing lever allows for easy change from spreading to retracting. Fully retracted: 1.88”, Fully expanded: 3.03” The extra thick 1/5-inch plates ensure greater bending strength; the ratchet swings 360 degrees for more convenient replacement work; and the powerful built-in magnets allow for quick firm attachment Our brake piston press tool is constructed of structural-grade 45# steel for outstanding strength and durability; its black oxide coating provides even more endurance and corrosion resistance Package: Ratchet Wrench*1Steel Plates*2Hanger Hook*2A pair of gloves*1 This brake caliper press tool set includes two helpful hooks to keep your calipers, brake hoses, and other parts in reach but out of your way as you do your work.