Premium Material: The automatic center punch is made of high-speed steel, which has high hardness, durability and abrasion resistance, and can withstand strong impact without being damaged or broken. . One-handed operation: The shock resistance is adjustable, you can easily operate it with one hand, press it stably to the workpiece, then it can perform automatic center punching. . Applicability: Can be applied in many occasions, suitable for solid mark in glass, leather, steel, wood, metal, plastic, aluminum, brass, copper and more. . Other uses: Accurate marking can be done without a hammer before drilling to prevent the bit from falling out. It can also be used for emergency escape and breaking broken windows. . Buy with Confidence: We sincerely thank you for choosing our products, choosing our products will not disappoint you. If you have any questions, please contact us in time, we will help you solve them as soon as possible. .