11PCS BRAKE CALIPER SOCKET AND BIT SET Contents: 1/4" drive bits - 9mm x 20mm. 3/8" drive bits - 7mm x 24mm, 8mm x 24mm, 9mm x 50mm, 7mm x 65mm, 7mm x 92mm, 11mm x 100mm. 1/2" drive sockets - 11.5mm x 50mm, AS22 x 48mm. Special Socket 15mm & 20mm. Works on all German vehicle brake caliper applications. Audi, BMW, Mercedes Benz, Porsche, VW.