Specifications: Material: Aluminum + Plastic Size: 2.75mm, 3.25mm, 3.5mm, 3.75mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 7.0mm, 8.0mm, 9.0mm, 10.0mm Needles: 10.2cm / 4.0 inches (Approx) Wire: 32cm / 38cm / 42.5cm / 5cm Package List:13 Pair x Aluminum 4 x Round Plastic Wire 4 x Positioning Button 1 x Tool Post 2 x Extension Connecting Tool 1 x Bag Case