Antique adjustable nut/pipe wrench - Craft 10 inch unusual spring tension rolling jaw nut or pipe wrench, stamped: Craft 10" Made In U.S.A. to one side and Pat. Nov. 1907 & Apr. 14 1925, lots of signs of use and wear including some areas of light pitting and knocks, nice and free moving, plenty of tension in spring, has been cleaned, works well - see all pictures. Size is approximately - length - 11 inches, jaws open to 2 inches, weight is approximately 975 g.