Sizes available in the pack Use these aari needles for beading work on round moti / poth, cut dana and bugles / pipes and other hand embroidery work. The bigger the size the more beads can fit into a needle. Use bigger sizes for production work as the embroiders can fit more beads into the needle. These needles can also be used with sequins to create intricate designs. Their needles are thin and consistent for fast work.