With this high quality, double side vented, luer lock irrigation needle, you can be sure to get an effective and safe irrigation when performing an endo treatment. Easy and optimized to clean out the canals with the double side openings, creating a "swirl-effect". Safe with the rounded and closed tip, protecting apex. The 31g Calasept (#1201610) irrigation needles are .28mm in diameter, and 25 mm in length. TEMPORARILY UNAVAILABLE