T&E Tools Adjustable Ignition Spark Tester AB2887 67 • 2T Mini Ram (without PN_D1010800 • 2T Mini Ram (without return spring): Max Height 189mm Min Height 132mm Stroke 70mm • 2T Pull Back Ram (with return spring): Max Height 550mm Min Height 422mm Stroke 127mm • 4T Mini Ram (without return spring): Max Height 58mm Min Height 42mm Stroke 18mm • 4T Porta Power Ram (with return spring): Max Height 405mm Min Height 275 Stroke 125mm • 10T Mini Ram (with return spring): Max Height 189mm Min Height 132mm Stroke 57mm • 10T Porta Power Ram (with return spring): Max Height 500mm Min Height 350mm Stroke 150mm • 10T Pull Back Ram (with return spring): Max Height 650mm Min Height 520mm Stroke 150mm • 2 x 360deg Swivel Double end Hooks (large & small) • Overall Carry Case Dimensions: 635mm x 410mm x 95mm • Net Weight: 18kg This install kit allows you to install a Double DIN aftermarket headunit into your vehicle whilst retaining Heater controls Works on all ignition systems Tests for no start and for spark strength