The Sealey SX404, designed for easy removal of freewheel alternator pulley This Sealey SX404 Alternator Freewheel Pulley Removal Set is designed for the easy removal of the freewheel alternator pulley, either on or off the vehicle. Features: Allows alternator shaft to be held while pulley retainer is removed Comprehensive set for easy removal of freewheel alternator pulley, either on or off the vehicle Comes with: Combined Socket Bits: 10mm Hex Drive: 10mm Socket-33T ∅19.40, 10mm Socket - 21mm Hex  1/2\"Sq Drive TRX-Star*: T50-31T ∅13.60 x 113mm, T50-33T ∅19.40 x 65mm, T50-33T ∅19.40 x 113mm Spline: M10-31T ∅13.60mm x 112mm, M10-33T ∅14mm x 83mm, M10-33T ∅19.40 x 65mm, M10-33T ∅19.40 x 112mm Adaptors: Hex/Pin Adaptors: 38mm - 3pin  Adaptor: 1/2\"Sq Drive x 10mm Hex  Round Pin Adaptors: ∅35mm - 4pin, ∅40mm 3pin  Spline Adaptors: 33T-∅17.90mm, 33T-∅19.40mm (x3)  Hex Adaptors: 17 (x2), 22, 19 x 28, 21 x 28, 22 x 28mm  Bits: Socket: 10mm x 75mm Hex: M8, M10 x 75mm, M10 x 100mm TRX-Star*: T40, T50 x 75mm, T50 x 100mm  Spline: M10 x 65mm, M8, M10 x 75mm, M10 x 100mm, M10 x 140mm Specification:  Model No: SX404