The XK-4 DA plate is the newest addition to the Sure-Grip line of plates. using the original forged plate but using a special double action 45 degree truck makes this plate unique. Some even say that it responds similial to a snyder imperial. newly developed cushions were added to help this plate acheive a rebound like no other. Adjustable pivots also help to alow the skater to fine tune his plates to get the most out of them at the highest level of competition.