Fn Range 5-7 Hertz Static Load Range 100-250 Pounds Max Deflection (Axial) 3.250 Inches    
Fn Range 12-20 Hertz Static Load Range 20-145 Pounds Max Deflection (Axial) 2.000 Inches        
Fn Range 12-20 Hertz Static Load Range 0.9-15.0 Pounds Max Deflection (Axial) 0.500 Inches        
Fn Range 20-35 Hertz Static Load Range 4-30 Pounds Max Deflection (Axial) 0.800 Inches      
SHOCKTECH PRODUCTS Fn Range 10-13 Hertz Static Load Range 5-20 Pounds Max Deflection (Axial) 0.700 Inches