Protect fragile glass hydrometers by storing them in this 18-place polypropylene rack.
• Middle and top plates have 25mm (1") diameter holes
• Bottom plate is 44mm (1¾") high; wells taper from 25mm to 9mm (1 to ?") to hold the hydrometer bulb
• Base is 21 x 21.6cm (8¼ x 8½") for tip-proof stability
• Overall height: 25.1cm (9?") with handles
• Steam autoclavable at 121°C (250°F)