Draw Tapered & Diamond Cut Leaves: Ensure the load is progressively distributed over a larger surface area, reducing the high stresses that develop at leaf ends. This provides increased ride quality and protection against leaf breakage, significantly increasing the spring life.Bolt Clamps & Liners: The leaf clamps are bolted to allow installation of anti squeak nylon liners.Fully Scragged & Load Tested: Scragging ensures the spring takes a permanent 'set' which reduces the risk of sagging. Load testing ensures the spring meets the required specification. PICTURE SHOWS 4, THIS ITEM HAS ONLY