OVERVIEW We have some very and unique snaps to make a great accent on bags, backpacks, purses and more. The base metal on the sets are cast from solid brass and create a nice heft to them giving your project that quality high end feel. The snaps have a unique quick release mechanism that opens automatically as you pull back on the top. All the parts are machined to the highest of standards and have a nice tight tolerance to ensure proper fit. All the parts assemble nicely and fit leather from 2mm to 3mm thick. The parts are easy to assemble and are a great way to add a creative and unique design to your projects! STYLES Small round Large round MATERIALS Base Metal: Solid Brass Finish: Natural Brass DIMENSIONS Small: Top Cap: 10.7mm Top Cap Base: 15.3mm Top Cap Screw Outer Diameter: 9.4mm Post Bottom Screw diameter 2.7mm Large: Top Cap: 13.3mm Base: 19.3mm Snap Set Backer Post Outer Diameter: 12.9mm Knob Set Screw Diameter: 2.7mm Top Cap will fit leather thickness from 2mm (5oz) to 3mm (~8oz) Bottom Cap will fit leather thickness from 2mm (5oz) to 3mm (~8oz) Note you can make leather washer to add thickness if your leather is too thin *Each set includes 4 parts needed to complete assembly. Key lock is unavailable, but can easily hand tighten. You can use Loctite Threadlocker to help secure in place. SHIPPING & RETURNS 30-Day Money Back Guarantee! Read more about our return policy HERE