Protect fragile glass hydrometers by storing them in this 18 place rack. The middle and top plates have 1" diameter holes. The bottom plate is 1-3/4" high and has wells tapering from 1" to 3/8" to hold the hydrometer bulb. The base is 8-1/4 x 8-1/2" for tip-proof stability. Overall height 9-7/8" with handles. Steam autoclavable at 250°F (121°C)
