Check the listing for details. INDEPENDENT PRO MASON SILVA BLACK AND SILVER STANDARD TRUCKS. Condition: New. Listed at 54.95 USD. PRODUCT DETAILS: Independent Trucks Mason Silva pro trucks feature flat black hanger with Indy Span & Mason Silva laser etched logos, polished silver baseplate, with orange cushions and black hardware. Durable all-purpose truck for any type of skateboarding. 55mm tall for optimal performance and wheel clearance with wheels 56mm and under. A356 T6 Aluminum Hanger & Baseplate The best lightweight aluminum alloy heat treated to T6 condition for strength, durability, and grind feel. SCM435 Chromoly Steel Axle Highest quality and durability available. Grade 8 Kingpin Never break, never bend. 159 model features 6-hole universal baseplate with old and new school mounting pattern. Independent Trucks are Built to Grind and Guaranteed for Life. SPECIFICATIONS: Axle 8.00 in, 8.25 in, 8.50 in, 8.75 in Family Pro Hanger 139 mm,144 mm,149 mm,156 mm Height 55.0 mm Subtype Standard Weight 376, 387, 394, 402 Width 139, 144, 149, 159