[High Quality] Made of high-quality, high-strength steel, strong structure, wear-resistant and impact-resistant. [Size] Length: 110mm, pitch: 3mm/4mm/5mm, equipped with 1/2/4/6 claw drilling tool kit, to meet all your different requirements. Ergonomic design: Ergonomic design, non-slip handle, comfortable and easy to hold. [Ideal Perforation] Handmade DIY leather perforation, if you make it on leather, this is necessary. Sharp and identical points will produce clean and consistent holes. The size of the holes also makes sewing easier than other methods you use. [Scope of application] It can be used for leather processing of small wallets, and can also be used for thick leather of large items. It is very suitable whether you are a beginner or a professional.