United Scientific Laboratory Jacks

United Scientific™ Laboratory Support Jacks, constructed from painted aluminum and stainless steel, feature a scissor jack design for easy height adjustment via a knob. Available in four sizes: These durable jacks provide reliable support for various lab applications. LBJK44 has a 4" x 4" platform that can be vertically adjusted from a closed position of 2.5" up to 6". Maximum load capacity is 10kg. LBJK66 has a 6" x 6" platform that can be vertically adjusted from a closed position of 3" up to 10.5". Maximum load capacity is 20kg. LBJK88 has a 8" x 8" platform that can be vertically adjusted from a closed position of 3" up to 11.75". Maximum load capacity is 25kg. LBJK12 has a 12" x 12" platform that can be vertically adjusted from a closed position of 4" up to 19.75". Maximum load capacity is 45kg.