Constructed from hardened and tempered tool steel, this disc cutter will form discs in 2 diameters: 1.375" and 1.750" from soft metals including gold, silver, copper, brass, nickel silver, pewter, etc. The maximum sheet metal thickness cutting capacity is 18 gauge (1 mm or .040"). Dimensions: 5" x 2 1/2" x 2 1/2" high. Furnished with wood base. Made in India.