Lab Jacks

Lab Jacks

• Quickly and easily raise equipment


• Lifts up to 45.4 kg (100 lbs)


• Two models available to meet most laboratory needs
These lab jacks can raise and lower loads up to 45.4 kg (100 lb). Vertical movement is controlled by a large plastic serrate knob.


The standard lab jack can lift loads through a vertical distance of 191 mm (7.5 in) to a maximum height of 267 mm (10.25 in). Minimum height is 70 mm (2.75 in). The micro jack can lift loads through 57 mm (2.25 in) of vertical travel to a maximum height of 86 mm (3.375 in). Minimum height is 29 mm (1.125 in).


The standard jack base and top plates measure 121 x 140 mm (4.74 x 5.5 in). Both plates are predrilled so that two jacks may be stacked if additional working height is required. The standard jack is also available with or without a removable platform and vertical rod. The platform measures 203 x 203 mm (8 x 8 in) and has a 457 mm (18 in) vertical support rod.

Item# Description U.S. List Price Quantity
56-9954 Harvard Apparatus Micro Lab Jack
56-9947 Harvard Apparatus Standard Lab Jack with Platform and Rod
56-9939 Harvard Apparatus Standard Lab Jack
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• Quickly and easily raise equipment


• Lifts up to 45.4 kg (100 lbs)


• Two models available to meet most laboratory needs
These lab jacks can raise and lower loads up to 45.4 kg (100 lb). Vertical movement is controlled by a large plastic serrate knob.


The standard lab jack can lift loads through a vertical distance of 191 mm (7.5 in) to a maximum height of 267 mm (10.25 in). Minimum height is 70 mm (2.75 in). The micro jack can lift loads through 57 mm (2.25 in) of vertical travel to a maximum height of 86 mm (3.375 in). Minimum height is 29 mm (1.125 in).


The standard jack base and top plates measure 121 x 140 mm (4.74 x 5.5 in). Both plates are predrilled so that two jacks may be stacked if additional working height is required. The standard jack is also available with or without a removable platform and vertical rod. The platform measures 203 x 203 mm (8 x 8 in) and has a 457 mm (18 in) vertical support rod.


The micro jack base and top plates measure 76 x 75 mm (3 x 3 in). These plates may be removed to expose a smaller plate measuring 38 x 50 mm (1.5 x 2 in).
Specifications56-995456-994756-9939
Base and Top Plate Dimensions (L x W) English3 x 3 in5.5 x 4.74 in5.5 x 4.74 in
Base and Top Plate Dimensions (L x W) Metric76 x 75 mm140 x 121 mm140 x 121 mm
Height Range of Load English1.125 to 3.375 in2.75 to 10.25 in2.75 to 10.25 in
Height Range of Load Metric29 to 86 mm70 to 267 mm70 to 267 mm
Lower Top and Base Plate Dimensions (L x W) Metric50 x 38 mmnana
Maximum Load English100 lb100 lb100 lb
Maximum Load Metric45.4 kg45.4 kg45.4 kg
Platform Dimensions (L x W) Englishna8 x 8 in8 x 8 in
Platform Dimensions (L x W) Metricna203 x 203 mm203 x 203 mm
Rod Length English 18 in18 in
Rod Length Metric 457 mm457 mm
Vertical Distance of Load English2.25 in7.5 in7.5 in
Vertical Distance of Load Metric57 mm191 mm191 mm
Weight Metric2 x 1.5 innana