Description: 【Design】: This tool is designed for  electric hammer drill applications, making it ideal for installing expansion bolt and anchor fasteners in various settings, including doors and window 【Material】: Crafted from  chrome vanadium alloy steel, this tool ensures long term  durability and reliable performance even under heavy duty use 【Compact Size】: With a length of 15.5cm/6.10inch, this expansion bolt punch is compact yet powerful, allowing for easy handling and  installation in tight space 【Efficient Installation】: The recessed design of the hammer head enhances its efficiency in driving expansion bolt securely into place, ensuring a firm hold every time 【 Package】: Includes a piece of this  expansion bolt impact socket , providing you with everything you need to get started on your project right away Size Chart: 15.5cm/6.10inch Package Includes:1 Expansion Bolt Impact Socket Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.