Specifications Measure System: Metric System Button Size：75mm Button Quantity: 200 sets Package Net Weight: 3.3kg Suggest Pattern diameter: 86.3mm (Same size as Plastic Mylar sheet) Complete Set with Pre-installed Safety Pin ChiButtons 75mm Pin Back Components Each package contains 200 sets of round metal pin-back button materials for 75mm button making. Each set includes:Upper Shell,Mylar Sheet,Metal Pin Back comes with a safety pin pre-pinned. Upper Shell x 200pcs Mylar Sheet x 200pcs Metal Pin Back* x 200pcs (Metal Pin-back comes with a safety pin pre-pinned) Quality Metal Parts ChiButtons provides cost-effective and high quality button components. Precisely designed for the ChiButtons button makers, they are in metal with great durability and easy to wear on all sorts of apparels or items. Easy to Wear ChiButtons buttons are easy to assemble and wear. It's one of the DIY accessories to wear on a jacket, T-shirts, shoes, hat and other display items. Easy to Operate The whole making process takes just a few seconds and are designed to be worn comfortably and conveniently. Your support always comes in a timely and friendly manner. Beyond satisfying your needs, ChiButtons aims at bringing you joy with our products and services. Reliable Supplier of DIY Buttons [Multi-Purpose] ChiButtons Button Maker Kit works for schools, libraries, events, campaigns and all sorts of organizations or activities. It is the TOOL for fashion designers, students, and button lovers to make quality buttons with pin-back, fridge magnets, mirrors, keychains, bottle-openers, fabrics and more! You can make use of it for advertising, gifts, souvenirs, customized ornaments for all kinds of purpose. ChiButtons provides full solutions for all badge lover! How do I align the pinback and the front image when making pin badges? ChiButtons Stand Cutter for Button Round 75mm 2.0 (Metric System) (Silver) ChiButtons 75mm (3") Interchangeable Round Die Moulds-S1 + Free Pin Button Co... ChiButtons 75mm Round Mirror Buttons Parts [Metric System] (100 sets) ChiButtons 75mm Metric Rubber Magnet Fridge Button 100 Sets with Magnet, Uppe... ChiButtons 37mm (1.5") Interchangeable Round Die Moulds-S1 + Free Pin Button ... ChiButtons Pro 75mm (3") Metric Button Maker B400 Kit | All-Metal Premium Pre... Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 5.0 out of 5 stars 2 4.1 out of 5 stars 4 5.0 out of 5 stars 1 4.6 out of 5 stars 7 4.8 out of 5 stars 16 3.6 out of 5 stars 37 Price $153.99$153.99 $149.99$149.99 $58.99$58.99 $55.99$55.99 $109.99$109.99 $249.99$249.99 Button Size 75mm 75mm 75mm 75mm 37mm 75mm Shape Round Round Round Round Round Round Paper Cutting Size 86.3mm no data no data no data no data no data Paper Cutter Type Stand Cutter no data no data no data no data no data Diameter System Metric System Metric System Metric System Metric System Metric System Metric System