Features and Benefits:Patented connection and adapter design uses spring-loaded stainless steel ball bearings to securely attach connected cups and adapters to the C-frame and forcing screw Works with most OTC ball joint kits, cups and adapters Locking cups and adapters set up faster on the vehicle and leave one hand free No O-rings or removable fasteners to lose, damage or replace For R&I of ball joints, U-joints, wheel studs and more Professional Kit (CA6630) option for more coverage includes 25 cups and adapters to work on more than 600 vehicle models (CA6630 Professional Kit), 76% more vehicle models than the competition Application range from Honda Civic to F-550; This extra-large C-frame uses stainless steel ball bearings to securely hold cups and adapters, making it easier to setup your press to remove and install ball joints, U-joints, wheel studs and more. The starter kit includes 7 cups and adapters for more than 230 vehicle applications, 38% more vehicle models than competitive C-frame kits. Fully compatible with existing OTC ball joint kits, expand your vehicle applications and make R&I of ball joints and suspension components faster and easier. Starter kit comes with a 17page manual with YMME information and adapter part numbers based on vehicle application. The impact-rated forcing screw pushes with up to 10 tons of force and features a striking cap to shock ball joints loose. Striking cap also helps align components for installation. A proprietary coating helps extend forcing screw durability and lifespan, for years of trouble-free service.