The Throttle Pedal Depressor, No. 49010, from Lisle Corporation is designed to hold the throttle at a constant RPM for repairs and diagnostics. Two-piece depressor rod screws together with an external nut, providing additional strength. Users can engage the nylon hook under the steering wheel, then extend the depressor rod to the accelerator pedal. The adjustment screw is designed to fine-tune the RPM level. The tool is 40" in overall length.