Features: *speically designed for 1/10 off-road buggy shocks *a serious must-have tool for shock setup *electric-powered vacuum pump for the best performance *simplify the shock assembly process *remove air bubbles quickly *powered by 5v~8. 4v dc power source (not included) *50cm connecting cable with 4mm banana plugs included *poly bag & cardboard box for safe storage and carry *made in taiwan *cars, parts, accessories & others are not included. * size: overall height 160mm 17. 5mm openings for shocks optional usb cable is available. Kos05111-3 power lead/cable (usb to 4mm banana plugs) 50cm option parts list: kos05111-9 14. 5mm on-road shock stand (vacuum pump) kos05111-34 high efficiency power lead/cable (banana to banana 4mm plugs) 50cm (kos05107c)