The Blaster frame (plate) is a version of one of our most popular Roll LineR frames dedicated to Roller Derby, and can be used by any member of the derby team (Blocker, Jammer, Pivot). * Frame derived from a drawn aluminum bar, and completely created using computer numerical control (CNC) machining * 13mm king-pins inclined to 16° with traditional trim * Elastomer cushions available in 5 hardnesses (colors) * Aluminum trucks with 8mm steel axles and adjustable locking screw * Toestop and tool kit included