BD Conventional needles are known as BD PrecisionGlide™ needles. BD PrecisionGlide™ needle technology incorporates a thin wall, tri-bevel tip and BD micro bonded lubricant which is designed to provide ease of penetration. BD recently streamlined 16G-25G needles to a thin-wall configuration. 27G, 30G and 18G blunt filter needles will remain regular wall.