General description An alternator pulley holding and removal kit designed for Denso, Valeo, Bosch, and Marelli alternators. Technical specifications 3 x 1/2""D Combination Drivers: 31 Spline x M10 Spline x 15mm Hex, 31 Spline x T50 Star x 15mm Hex, and 17mm Hex (outer) x 10mm female Hex (inner) 3 x Sleeves: 32mm male Hex with 3 pin drive, 33 Spline drive x 15mm Hex (outer), and 28mm male Hex x 15mm male Hex drive 1 x Bit Holder 10mm Hex x 1/2""D 1 x Socket 10mm 12pt Female x 1/2""D 2 Double ended Ring Spanners: 15mm, 10mm 3 x 75mm long x 10mm Hex Drive Bits: M10 Spline, 8mm Hex, and T50 Star Bits 1 x 30mm x 8mm Hex Drive x 10mm Hex Bits manufactured from silicon steel; sockets and spanners from chrome vanadium