Engine Valve Spring Tester 700 LB Rating Heavy Duty Billet Aluminum Red ProformAccurately check spring height versus spring pressure with our new heavy duty bench top spring tester. Check springs up to 2 inches in diameter and 4 inches in height. Can be bench or vise mounted. Sold individually. Product Details: Engine Valve Spring Tester Has a 700LB Rating This Heavy Duty Model Can Check Springs Up to a 2 Inch Maximum Spring Diameter and a 4 Inch Maximum Height Made from Lightweight Billet Aluminum Red Anodized Finish For Vise