Sedra Dent Kalt needle holder is one of the best needle holdersas it has a highly durable lock system. The lock design secure the needle without movement and easy to lock and release. The blade is made of tungsten Carbide to provide the needle holder with maximum durability. Tungsten Carbide is a superior material. Its hardness and wear resistance is very high, so that the blades maintain its accuracy for long time. The blades close perfectly and catch the needle firmly without slippage. The handle has serrations to prevent slippage. The needle holder is suitably used with 5.0, 6.0 and 7.0 suture material.