Features: Used to replace freewheel pulleys on some types of alternators. Carbon steel quenched and tempered for maximum durability. Professional automotive tools, including bits and sockets, quality assurance. Blow molded plastic case keeps all tools organized and easy to carry. Specifications: Material: carbon steel Color: as picture #39;picture shown Blow Molded Case Size: Approx. 21 x 15.5 x 5cm / 8.27’’ x 6.1’’ x 1.97’’ Tools Size: as the picture shown Package Weight: approx. 1250g / 44.1oz Package Included: 1pc M10 Spline Alternator Combination Bit Socket 1pc T50 Tx-Star Alternator Combination Bit Socket 2pcs 75mm (L.), Spline: M8, M10 2pcs 75mm (L.), Tx-Star: T40, T50 2pcs 75mm (L.), Hex: 8, 10mm 1pc Alternator Nut 33 teeth with 17mm hex point 1pc 33 tooth alternator nut with 17mm hex point 1pc 22mm hex alternator nut 1pc 4 Point Alternator Nut with 17mm Hex Bit 1pc 1/2’’ Square x 10mm Hex Bit Adapter