Dual Wheel Simulators DOT Mount Material Stainless Steel Finish Stainless Steel For Wheel Diameter 16 in Bolt Circle Diameter 6.5 in Compatible with Make/Model/Year 2003 to 2021 Chevy/GMC G3500 Van 2001 to 2007 GMC-C K-3500 Includes Installation Tool Mounting Hardware Number of Hand Holes 4 Number of Lugs 8 Standards DOT Vehicle Type Truck Van Vehicle Wheel Style Dual