Made of good quality composite stainless steel. Package Includes: The glasses repair kit comes with 1000 glasses screws in different sizes, a micro screwdriver and a mini tweezer. Great for fixing your glasses. Not only for glasses fixing and Monocles, but also for other items which need small screws, like clock, cell phone, remote control, watch, etc. This stainless steel screw and nut kit comes with various lengths and sizes that will fit most common household tools, 1000 pieces in total in a clear box, easy to install and use. A practical accessory for your tool bag. With the kit at hand, you’ll be able to fix your glasses at home and be prepared for future repairs. No need to worry about missing or loose screws anymore. Screwdriver Features: This multi-functional screwdriver is applied to repair eyeglasses and watches widely. Material: aluminum steel Holder diameter: keys: about 2.3cm With a key ring, portable and easy to hang Total length (without key ring): about 6cm Size: