This Nortrac® Sight Level Gauge is designed for use with non-pressurized hydraulic tanks. It mounts easily using 1/2-13 UNC bolts on 5in. centers. Accessory Type: Sight level, Compatible With: Nonpressurized hydraulic tanks, Dimensions L x W (in.): 6 5/16 x 1 1/2, Measures: Fluid temperature, Temperature Capacity (°F): 1...