24PC XZN Triple Square Long Spline Bit Tamper Proof Socket Set Chrome-plated Cr-v sockets with S2 alloy steel bits. Notched driver locks onto drive tang. Precision-milled XZN Triple Square 12-point spline bits fit European cars. Radius corners prevent driver damage. Portable storage and organized carry case. Contents: 3- 1/4″Dr. x 1-31/64″ (37mm): M4, M5, M6 s2 bits. 3-1/4″Dr. x 4″ (100mm): M4, M5, M6, S2 bits. 7-3/8″Dr. x 1-29/32″ (48mm): M7, M8, M9, M10, M12, M13 (tapmer-proof), M14 (tamper-proof) s2 bits. 7-3/8″Dr. x 4″(100mm): M7, M8, M9, M10, M12, M13 (tamper-proof), M14 (tamper-proof) s2 bits.