Left: 7.9 inches (200 mm) *[7.9 inches (200 mm) (shortest) * Telescopic Rate: Approx. 7.9 inches (200 mm) * Max Length: Approx. 20.5 inches (520 mm) Right: [Example] ● Agricultural machinery ● Dolly (posture control) ● Lifter (welding equipments (bed/wheelchair / various care equipment) Boat; Cars Bicycle, Fan, Household Appliances, Electric Lock, Welfare Vehicles, Lifter, Gate, Reclining, Vehicle Door Opening/Closing System, Bath Care Lift, Engine Fuel Valve Opening Equipment, Exam Table Elevation Device, Step Eliminator, Smoke Extermination Device, Etc. Can be used for a variety of uses depending on the machine tools, industrial machinery, and workmanship. It is not designed to stop due to load or resistance. There may be small scratches on this product due to overseas product. Packaging and instruction manual not included. Not waterproof. Daily waterproofing (simple waterproofing), so please be careful not to get water out when using outdoors.