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Our Long Single unit contains a high spring count of low profile Bonnell springs. Each 4 turn spring is manufactured from high-quality spring (Hsc) wire to exacting tolerances (LP). Sold as a roll pack of 10 units to reduce the cubic meterage by a 10:1 ratio for cost-effective freight.We manufacture our Bonnell springs in our New Zealand plant and provide a full 10-year warranty.
Low Profile units contain a High Spring Count with 50% More Springs.