The RP-S505 is 35% more powerful than its predecessor but weighs much less. The total weight when connected to the Power Unit and fully operational is only 14.4 kg (31.7 lbs). The new ergonomically designed Awethumb™ controller (patent pending) allows easy direction control with the thumb when the handle is in the standard position. Furthermore, the detachable Alligator Tips™ (patent pending) provided as standard can easily grip convex surfaces such as fenders for crushing/squeezing.