1. Stainless steel - 2.5 x 40 mm (for TWISTER V1) 2. Stainless steel - 3 х 45 mm (forTWISTER V1) 3. Stainless steel - 4 х 35 mm (forClipCoil PRO +4 мм) 4. Stainless steel - 2.4/3 x 45 mm for TWISTER V3 (NOT AVAILABLE) 5. Steel - 3 х 40 mm (forTWISTER V1)