Fox Shox Rear Shock Dial Indicator. Features: For measuring lockout plate lift For Lever models: when switching from Firm to Medium modes, Lockout plate lift should measure between 0.030-0.047in (0.77-1.19mm) For Remote models: when switching from Firm to Open modes, Lockout plate lift should measure between 0.072-0.090in (1.83-2.29mm) 1 or 2 spacers (044-20-035 or 044-10-035) may be added or removed from the lockout shim stack to adjust lockout plate lift to within approved range Specs: Description:dial indicator, 1" measuring range, 0.001" grad. Model:Float DPS