Steel spring reduces vibration transmissions most efficiently as performance improves with larger deflections. Spring deflections are 2 – 6 times better than the rubber products. Hangers have lds rubber cups under the springs and a projecting rubber bushing prevent sound transmission, even if hanger rods are not perfectly centered. Max load 750-1000 lbs. 4"l x 4-3/4"w x 7-1/4"h overall dimensions.
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