This traditional style cast malleable iron seamer delivers significant crimping power for finishing seams from a compact hand tool. Fits well in the hand. Provides easy action from a loose hinge type connection that rarely needs oiling. No springs to break and replace. Stronger than aluminum casted tools which can break at the pivot point on heavy copper or steel roofing materials. Quoting from the period catalog: ?A seamer patterned in keeping with the requirements of the roofer and for such work demanding a well balanced substantial tool.? It measures 3? x 9? and can be carried in tool kit or pocket. Can bend metal at various depths for seams up to 1?. Established, proven design.