The Haro Grip Off Flanged Grips are made from the super soft Krayton Rubber, which was rated with a 25 durometer. The 147mm long with flange grips feature plastic press-fit ends (included). The Haro Grip Off Flanged Grips are for riders who like to change their grip throughout the course of a ride. Prefer to pull more on the fingers? Or do you wrap the palm? Either way, the Grip Offs provide you a unique dot pattern grip to keep your grip sure and comfortable.