Never be without the right needle again! Interchangeable Circular Knitting Needle Sets are make with smooth birchwood (or beautiful copper!) and available in 3.5" and 5" tip lengths. 3.5" STANDARD SETS Needles: US3, 4, 5, 6, 7, 8, 9, 10, and 10.5Cables: two to make a 16" circular, one to make a 20" circular, and one to make a 24" circularAccessories: 2 cable connectors, 4 tightening keys, and 8 stoppers 5" STANDARD SETS Needles: US4, 5, 6, 7, 8, 9, 10, 10.5, 11, 13, 15, and 17Cables: two to make a 24" circular, two to make a 32" circular, and one to make a 40" circularAccessories: 2 cable connectors, 4 tightening keys, and 8 stoppers 3.5" STARTER SETS Needles: US3, 4, 5, 6, and 7Cables: One each to make 16", 20", and 24" circularsAccessories: 2 cable connectors, 2 tightening keys and 4 stoppers 5" STARTER SETS Needles: US3, 4, 5, 6, 7, 8, 9, and 10Cables: One each to make 24", 32", and 40" circularsAccessories: 2 cable connectors, 2 tightening keys, and 6 stoppers