Features and Benefits:Easier to handle: Patented connection and adapter design uses spring-loaded stainless steel ball bearings to securely attach all cups and adapters to the C-frame Available as a Professional Kit for more coverage: 25 cups and adapters work on more than 600 vehicle models (CA6630 Professional Kit), 76% more vehicle models than the competition Available as a Starter kit: Covers more than 230 vehicle models, 38% more than the competition, with 7 adapters and all CA6636 components (Starter kit P/N CA7149) Backwards compatible: Works with most OTC ball joint kits, cups and adapters Faster to use: Locking cups and adapters set up faster on the vehicle and leave one hand free Hassle-free: No O-rings or removable fasteners to lose, damage or replace Multi-function: For R&I of ball joints, U-joints, wheel studs and moreKit components:Connected adapter C-frame with patented secure-locking ball bearings to hold adapters in place (CA6636-1) Forcing screw with proprietary coating and heat-treat for long life (CA6636-2) Connected adapter forcing screw plug to securely hold connected adapters (CA6636-3) Flat-top forcing screw plug for ball joint removal (29501A)Product FeaturesPatented 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 Available 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 option (CA6630) for more coverage includes 25 cups and adapters to work on more than 600 vehicle models, 76% more vehicle models than the competition Starter kit option (CA7149) includes 7 cups and adapters to work on more than 230 vehicles models, 38% more than the competition Application range from Honda Civic to F-550 and in-between;This extra-large C-frame uses stainless steel ball bearings to securely hold available connected cups and adapters, making it easier to setup your press to remove and install ball joints, U-joints, wheel studs and more. The connected adapter C-frame is also compatible with existing OTC ball joint kits, including cups and adapters from CA7149, CA6630, 7249, 6529, 6539, 6559 and more. 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. Our connected adapter C-frame is the largest available at 2-3/4" deep x 9" wide, able to handle 3/4-ton and 1-ton suspension components.