Dynalon 103215-0000 Tall PP Hydrometer Rack for 18 Places

These 18 place polypropylene hydrometer racks are specially designed to safeguard glass hydrometers. The three tiered rack with handles allows easy transport and storage of hydrometers. Top two plates have 1" diameter holes while the bottom plate has wells which taper from 1" to 3/8". This is tall version with plate height 7".