Mayo Hegar Needle Holder straight 20 cm Needle Holder (with lock, serrated, length of knurl 1,7 cm, total length 20 cm) A needle holder is used for clamping the needle when laying the suture. With help of the needle holder, the needle is fixed and thus can not slip. Due to the filigree form, the needle can be performed optimally and there is a low risk of injury during surgery for the patient and surgeon. Most needle holders are used for precise guidance of surgical needles. Other models are equipped with or without locks or allow various types of gripping.