Craft Grip Series Tapered Nipper. Tapered tip for easy cutting! Tapered nipper for cutting in tiny spots. Leaf springs with moderate elasticity and high durability. Cutting capacity: Brass wire < 1.5 mm dia, nickel silver wire < 1.0 mm dia, copper wire < 1.0 mm dia, aluminum wire < 2.0 mm dia A round blade (curved cutting edge) is also best for precise cutting without scratching the surrounding surfaces or cutting off unwanted portions of bundling bands.