Precision TEC Accessories Manufacturing: Designed and manufactured by Precision TEC Accessories, each tiny pen guarantees unmatched quality, fit, and durability for reliable daily use. Trust in top-tier gear that stands the test of time. Compact Size: With a length under 3" (including the cap) and a slim 3/16" diameter, this key chain pen fits perfectly in your pocket for on-thego convenience. Durable Rugged Construction: Built to last, both the EDC mini pen body and cap are crafted from highquality stainless steel, offering superior strength that will withstand daily wear and tear. Magnetic Cap for Secure Use: Featuring a powerful N52 magnet, the cap securely holds the keychain pen in place. Simply pull to remove – no more worrying about it slipping or coming loose. Easy Refills: Compatible with common D1 refills, this compact pen allows you to easily swap with "multi-pen" size available at any local store. Also works with Fisher pressurized refills (Fisher refill not included). Do you want an EDC pen that functions flawlessly and looks great? Are you looking for a rugged, stylish pen that is actually small enough to fit on your keychain? The PicoPen is a fine ballpoint pen that is always with you whenever you need it. At 3-1/4 inches long and weighing in at 1/2 ounce, you'll never know it's there until you reach for it. Solidly built and precision tooled this mini keychain pen is tough yet elegant. You'll get a lifetime of use from this unique personal accessory. It's the keychain pen you can attach anywhere!