This is the Step Chassis Droop Gauge & Support Blocks from Muchmore Racing. Allows easy setting of chassis height of 1/8 and 1/10 scale on-road vehicles Graduated numbers on droop gauge from -5 to 10 Aluminum construction, black in color Step Chassis Droop Gauge and two Support Blocks Placing vehicle on support blocks and measuring height with droop gauge Height of Droop Gauge at -5: 0.60" (15mm) Height of Droop Gauge at 10: 1.2" (30mm) Height of Support Blocks: 0.79" (20mm) jxs 10/23/08 ir/jxs