screw size gauge

This 3D-printed screw size gauge is a simple yet practical tool designed to quickly identify bolt and screw sizes. It features clearly labeled holes arranged in increasing order, allowing users to insert a screw and instantly check its diameter without the need for calipers or rulers. The flat, lightweight design makes it easy to carry or keep in a toolbox, while the durable 3D-printed material ensures long-term use. Ideal for DIY projects and workshops, this gauge helps save time and reduce guesswork when selecting the correct screw size.