Description: Hole size: The inside diameter of the metal hole is 0.17 inches. Easy to operate: the hole punch adopts hand-held design, with elasticity, easy to use, can reduce hand pressure, very practical and multi-functional; Before using buttonholes and pliers, you need to punch holes with a drilling tool. Pay attention to the orientation of buttonholes and pliers. Wrong orientation may cause damage to buttonholes. Packing List: This handy one - piece punch tool is included in abundant quantities sufficient to meet your needs. Convenient and practical: one-piece perforating pliers made of steel, chrome plated surface, PVC impregnated handle, Tips: The bottom of the hole is lace design, no need for washers; The bottom will bend naturally when pressed down with a hole punch. Specifications: Name: Eyelets Leverage Pliers Material: Metal Package Included:1x Eyelets Leverage Pliers and 1 pack Button Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you 2. Please allow 0.1-2cm measuring deviation due to manual measurement.