PM-673 LABORATORY JACK

These laboratory scissor jacks provide stable support for hot plates,
baths, glassware, containers and several other items. Rugged
aluminium construction with durable powder coated paint finish.
Easily set to exact height needed with the turn of large aluminium
knob by smooth and continuous operation. Excellent side to side
rigidity and support.
Note: Do not use jack to lift weight from bottom position. Place
item on top plate only after cranking up to desired height, weight
may be cranked down, however.