KVP FNS163 feeding and dosing needles are intelligently designed for surgical precision. They are made of hand crafted polished stainless steel and have a smooth 3mm olive shaped tip. The use for these needles can range from rectal injections to flushing ear canals. This product is a 16g x 3in. needles that is autoclavable and are universally compatible with industry standard luer mounts.