You are looking at a set 5x5 (5 sizes x 5 pieces) custom package of 25 New John James Saddlers Harness Needles. These needles are highly recommended by many leather workers and are arguably the best needles because of their high quality and durability. These needles rarely break at the eyelets when under stress, unlike many others. The needles have blunt tip which make work easy going through holes and prevent the piercing of your thread. These needles will make a great addition and will last you a long time! Size 4 (Smallest - for 0.6mm or thinner thread); Size 2 (For 0.6mm to 0.8mm thread); Size 0 (For 0.8mm to 1.0mm thread); Size 00 (For 1.0-1.2mm thread); Size 000 (Largest - For 1.2mm+ thread)