540

The 540 lab jacks incorporate a unique scissor design with low backlash pivots that make the platform virtually wobble-free at any location along the vertical travel. The large adjustment knob is attached to a rolled brass leadscrew to ensure smooth stiction-free adjustment even under heavy loads.

Product Features

• Two convenient sizes
• U.S. system and metric compatible
• Heavy load capacity

Performance Specifications

• Minimum stack height: 2.40-inch [60.96-mm]
• Travel range: 1.85-inch [46.99-mm]
• Parallelism over full travel: .006-inch [1 milliradian]
• Maximum load over full travel: 60 lbs