Skacel's Addi Click Standard Rocket Set combines pointy tips and smooth nickel plating with the German engineering of the Click design. Insert the cord into the tip, twist and release! You'll love the conveniece and the snag-free connections. No more buying what you already have or needing what you don't! Each set includes 8 tip sizes, ranging from US 4 to US 11; and the 3 blue nylon cords with lifeline eyelets included are 24, 32, and 40 inches, all in a very nice needle case.