These precision ground needles have consistent, keen cutting edges exceeding industry standards for "A" or "B" bevel triple grind cannula ("A" bevel is 13º nominal bevel angle, while "B" bevel is 19º nominal bevel angle). The classic ¼" square hub provides comfortable handling and convenient cleaning in the lab. Domestic manufacturing and ultrasonic cleaning honed and improved over 50 years assures reliable, sharp, burr-free and sanitary laboratory needles that can be reused reliably and with minimal discomfort.

These needles are ideal for penetrating tissue, film, membranes and other semi-solid materials and chemicals. The hubs and fabrication comply with latest revisions of ANSI, ISO and GG-N-196 specifications to ensure highest quality and universal compatibility. Tubing complies with medical and laboratory grade ASTM-A908 specifications. The length is out of the hub. These needles are sold by the dozen.