Sure Grip - Power Trac Roller Skate Plates (Sold In Pairs)The Power Trac 7000 series extruded aluminum alloy, all machined work done in the USA. The lightest plate on the market today. 7 degree action will keep your skates on the floor and going in the right direction. Newly designed aluminum truck that is a direct replacement for the existing nylon truck is available. Five cushion options and a special cut out toe stop that even further reduces weight. The toe stop is also placed closer to the trucks to