Forca RTGS-289 Jewelry Parallel Action Flat and Half Round Nose Pliers 5.50" ~ 140mm. These pliers are suitable for bending ring Shank stock and for making large Diameter loops with the half round jaw which has a gentle curve while the upper jaw is Rectangular and less likely to dent the material being bent. These parallel action Flat and Half Round Nose Pliers has a long Smooth Flat Jaw of 8mm wide, and a throat of 30mm. The length of the arc in the lower Jaw is 8.37mm. with a maximum aperture of the jaws of 9mm. These pliers are made of German HardenedAnodized Carbon Steel Equipped with double extension springs in the pliers handles for easier operation and more accurate pressure; this will also make your hands do a little less work and help avoid hand fatigue. These feature set it apart from similar models which are manufactured with a single spring in the handle of the pliers. Overall size: 5.5- 140 mm. Weight: 4.30oz. ~ 128g. Made in (varies from countries) : Germany, Austria, Turkey, Pakistan. These pliers are Lifetime Guaranteed.