Strong, stable support for lab equipment 6" by 5" area Maximum height is 9 5/8", minimum is 2 1/2" Heavy duty - maximum stable load is 55lbs Powder Coated Steel Laboratory Scissor Jack - 6" by 5"- Max Height 10", Min Height 2" (1) Jack This is a laboratory scissor jack. It can hold up to 55lbs (25kg) and lifts to a maximum height of 10" (25cm). Flask is not included