Beadalon Beading Needles Variety Pack 4 pc- Includes: 0.46 and 0.42 millimeter diameter, hard beading needles measuring approximately 2″ and 2 1/8 in. long, 0.58 millimeter diameter 2 3/8 in. big eye beading needle and 0.36 millimeter diameter 2 1/2 in. collapsible eye needle. Hard needles are an English style perfect for stringing beads with Nymo thread sizes B, D and O. Big eye needles feature sharp tips on both ends that are approximately 1/2 in. long. Collapsible eye needles accommodates many sizes of cord.