Item Type:Hook Needle Description: 1. Specifications: 1-1 model (1 hair per hook); 1-2 models (1-2 hairs per hook); 2-3 models (2-3 hairs per hook); 3-4 Model number (3-4 hairs per hook) 2. Placement: when not in use for a long time, it is best to touch the sewing machine oil to avoid the use of rust! 3. Note: please keep out of reach of children to avoid stab! 4. Function: this is great for beginners or to learn to ventilate lace wigs. You can customize your lace wig hair and easily repair lace wigs. 5. Features: this simple venting needle has a beautiful bronze hook end to prevent hair loss. It is easier to use than traditional German or Asian vent needles and is easy to grasp.