Roll Line Blaster Plate The Roll-Line Blaster is for the beginning Competitive Skater in their Learning Stages and provides the same level of articulated performance as all of the upper level Roll-Line frames, but at a very affordable price. The Roll-Line Blaster is forged from a solid bar of Aircraft Aluminum Alloy and completely CNC machined. The Roll-Line Mechanism Action adjustment system provides accurate Action adjustments using the 04 series, 13mm base King Pins with Adjustment Nuts and Locking Screws. The Variant M features Metal Trucks with the strongest Steel Axles available with adjustable Pivot Pins. Baseplate: Aircraft Aluminum CNC milled construction Trucks: 8mm threaded axles Adjustable Pivots Kingpins: 18 degree front and 16 degree rear action 13mm alloy kingpins Mechanism Action adjustment system Kingpin adjustment nuts Kingpin locking screws Cushions: Interlocking Urethane Cushions Toe Stop Housing: Metric threaded adjustable housing 5mm hex set screw Weight (Based on assembled size 150): 518g