The 5 1/2" Castroviejo "GG" Needle Holder with straight, smooth jaws and a lock is a precision surgical instrument designed for delicate procedures, particularly in microsurgery and ophthalmic surgeries. The straight, smooth jaws ensure a secure grip on needles without causing damage, making it ideal for fine suturing tasks. The lock mechanism provides added security, allowing for one-handed operation and controlled needle handling. Its compact 5 1/2" length offers excellent maneuverability, especially in confined or small surgical areas.