Vktech Portable Army Tactical Aluminum Alloy Pen-shaped Stick Self-defense Pen (Black) This beautiful pen is crafted from aircraft aluminum and features sleek finish throughout! It's also got an oversized pocket clip that easily attaches to pockets and bags, so it's ready at a moment's notice Small size and portable Aluminum alloy cool weapons of women's self-defense equipment Sting fierce/violent,Size: 15.20x 2.00x 1.50cm Material: Aluminum Alloy