Safe Defense Knife Pen

This is a small but powerful practical self-defense tool. There are always unforeseen things in life. We cannot avoid it but we can reduce the risk of injury. The self defense keychain is not only a self defense tool but also a assurance of life safety. You would better to have one than need but haven’t (especially for women and teens).

Features:

• Knife and sleeve length: 13.5cm
• Length of handle and sleeve handle: 8 cm
• Blade length: 5.5cm
• Edge width: 0.7cm (max)
• Close: (insert blade into sleeve)
• Edge thickness: 0.1cm
• Tube diameter: 1.2cm
• Caution: do not scratch when sharp objects are used.
• Surface of worktable: blade grinding. handmade alumina.
• Processing materials: aluminum castings. surface oxidation.