Jiffy Jump Ring Tool 1 Jiffy jump ring tool 3 Round rods for round jump rings that each measure approximately 1/8" (3 mm), 1/16" (1.5 mm) and 3/32" (2.5 mm) in diameter 2 Rectangular rods for oval jump rings that measure approximately 3.2 x 1.4 mm (1/8" x 1/16") and 4.8 x 1.6 mm (3/16" x 1/16") 2 Screws for bench mounting 1 Instruction sheet