JBP Nanoneedle, Pack of 100Ultra thin walled needle The integration of craftsmanship and technology has created this ultra thin needle to lessen patient discomfort during needling and to minimize hemorrhage and swelling. Less swelling, less pain, less bleeding and faster recovery for your patients Less drip and product wastage for you and your injectors 30G: 0. 30mm outer diameter, 0. 20mm inner diameter 33G: 0. 26mm outer diameter, 0. 16mm inner diameter 100 individually hard