Need to measure small holes accurately? This stainless steel tapered hole ruler is your new best friend! It measures inner diameters from 1mm to 6.5mm with 0.1mm precision - perfect for thin-walled parts, plastic pipes, and all sorts of small components. The tapered design makes it super easy to use - just insert it into the hole until it fits snugly and read the measurement. Made from heavy-duty stainless steel that won't wear down, deform, or rust. Compact enough to carry in your tool kit but tough enough for workshop use. Way more reliable than trying to eyeball small measurements! Whether you're working on DIY projects, machine shop tasks, or precision engineering, this little tool saves so much time and frustration. The markings are clear and easy to read, and the solid construction means it'll last for years. No more guessing if that hole is 3mm or 3.5mm - you'll know exactly what size you're working with!
Free 30-day returns 
Free 30-day returns
