Attention: Needles are not included in this sale.There are three layers, total 24 slots.Higher layer has 10 slots, perfect for 13-inch Single Pointed knitting needles (the width of each slot is about 1.5 inches)Middle layer has 10 slots, perfect for 9-inch Single Pointed or 8-inch double pointed knitting needles (the width of each slot is about 1.5 inches)Lower layer has 4 slots, perfect for knitting tools, short needles, circular bamboo needles or crochet hooks (the width of each slot is between 3 to 4 inches)