Set includes interchangeable sizes 4 (3.5mm), 6 (4mm), 7 (4.5mm), 8 (5mm), 9 (5.5mm), 10 (6mm), 10¾ (7mm), and 11 (8mm), 360° swivel stainless steel cables for making circulars of lengths 16"(x2) and 20"(x2), 8 end caps, 4 cable keys all in a blue fabric case.