Skacel brings exquisite engineering to their amazing Addi Click Turbo Set. Click's revolutionary locking mechanism secures the steel tips to the cords for a smooth transistion every time. No tools, no hassel, no fuss! Imagine having every needle you need in one little kit... It's every knitter's dream! The Addi Click Turbo Set includes 10 tip sizes: US 4-US 15; 3 cord lengths: 24, 32, and 40 inches; a connector piece (for lengthening cords); and a very nice needle case.