About This Accurate Wheel & Tire Fitment Simulation: This wheel fitment tool with tire size attachment simulates rim diameters from 14–22 inches, tire widths from 8–14 inches, sidewalls up to 11.5 inches, and clearance 3-12 inches—helping verify exact wheel and tire clearance before purchase Offset & Backspacing Measuring Tool: Functions as a wheel offset measuring tool, rim measuring tool, and backspacing tool, giving you precise clearance data for suspension, frame, and body panels Heavy-Duty 9-Gauge Steel Construction: Built from precision laser-cut and press-bent 9-gauge steel, featuring SAE and metric laser-etched markings for durability and easy-to-read adjustments Wide 6-Lug Compatibility: Includes a 6-lug mounting plate compatible with 6x114 (6x4.5), 6x120 (6x4.7), 6x127 (6x5), 6x135 (6x5.3), and 6x140 (6x5.5) patterns, making it ideal for trucks and SUVs Quick, Tool-Free Setup: Designed with 1/4-20 carriage bolts and wing nuts for fast adjustments, this wheel measuring tool ensures easy and repeatable fitment testing without extra tools