McKesson Brand - Safety Insulin Pen Needle McKesson Prevent® 31 Gauge 8 mm Length Automatic Safety Without Back-End Shield [100/BX]

Automatic needle lock-out; appearance of red stripes confirms that the needle has been used and is ready to be disposed of safely.. Reduces user discomfort due to thinner needle (31G). Viewing window allows easy visibility to needle tip during priming to prevent unnecessary drug waste.. Wing-shaped design for comfortable and secure grip. Regular bevel. Stainless steel needle is a 5/16 inch in length.