All-In-One Full Knitting Kit:This interchangeable circular knitting needle set includes 12 pairs of 4-inch aluminum needle tips and complete accessories: 4 flexible cables, 4 end caps, 2 cable connectors, 1 non-slip spacer, 2 tightening keys, and 378 pieces of craft accessories. Equipped with a premium storage bag and a PVC zipper bag, it covers full needle sizes to meet daily knitting and crafting needs for both beginners and seasoned crafters. Premium Smooth Aluminum Material:Made of lightweight, durable and rust-resistant aluminum, the needle surface boasts ultra-smooth gliding. All kinds of yarn slide freely without snagging or splitting,