Manufactured from Chrome Vanadium S2 Steel. The Ball-end gives greater access in confined spaces.Also the Ball-end bits allow fixings to be driven with the hex shaft up to 30 degrees out of alignment. These are suitable for a wide range of specialist vehicle based applications including headlight alignment on Alfa Romeo and Fiat vehicles cylinder head removal on VAG vehicles ball joint removal/installation on VAG vehicles braking systems on BMW Audi Ford and VW and airbag retaining screws on VW vehicles. Nearly every modern day car has some form of these bolts to dashboards lighting seating air bags engines gearboxes suspension and back axles. Neatly supplied in hard wearing blow moulded carry-case for ease of transportation and keeping your bits organised. These are a must have in the toolbox for any professional mechanic. Specification: Drive: 3/8" square drive. Sizes: 3 4 5 6 7 8 and 10mm. Length: 110mm 30 degree angle of use Chrome Vanadium Steel Sockets S2 Steel and S2 steel bits Mirror polished and Chrome Plated. Blow moulded storage case.