• Fits wheels with diameters from 1.5" to 3"
• Handles working loads from 20-200 pounds per shock absorber
• Used in offices and light-duty medical environments

The 15 Series (medium duty):

• Fits wheels with diameters from 3" to 6"
• Handles working loads from 100-500 pounds per shock absorber
• Used in semi-conductor manufacturing, food processing and hospital facilities

The 20 Series (heavy duty):

• Fits wheels with diameters from 5.5" to 8"
• Handles working loads from 200-1,500 pounds per shock absorber
• Used in automotive and aerospace assembly facilities