The offered range of Cobb Testers comprises of a cylinder made of brass of an ideal diameter and length. They have a metallic plate which along with brackets and bolts used for clamping one side of the cylinder. The metallic plate is also covered with a rubber sheet for the perfect clamping. The equipments are configured in such a manner that they offer an easy and fast off water pouring. The offered devices serve for a long duration of time without any trouble.