13.8 inch steering wheel lock alignment for car steering wheel,perfect for doing rack removals and keeping steering wheel centered during alignments 30 inch brake pedal depressor for testing battery,alternator charging ,brake light,brake adjustment and etc The steering wheel holder with round base for a more stable hold,The extension is long enough for any vehicle and the release lever works smoothly under even the heaviest load The pedal depressor makes it easy to hold the brake or accelerator pedal down The steering wheel holder and pedal depressor fit for most of cars