This is the 90mm 4-wheel model from Endless Blading. The length is 278mm, and it allows for two-stage adjustment of rocker: flat and a very slight rocker. It also has a fiberglass grind guard installed. By the way, wizard skating is no problem at all. In fact, your feet don't get caught on each other, and it's also strong on rough roads and super fast. If you set it to a slight rocker, it won't wobble at all even when entering large curves in the park. The wheels are WUR UHR, and the bearings are Wicked. UFS bolts are not originally included. This is a full set.