Raven Black Glass Knob - Colormax Series Glass Knobs and Pulls by Satori Artisan Hardware. Satori chooses glass from the most sophisticated glass colorists in the world to bring you elegant, stunning color accents. Clean, comfortable knob designs complement and enrich almost any cabinet or furniture piece. Use these glass knobs for your bathroom, bedroom, or kitchen cabinets, cupboards, dressers, vanities, and drawer handles, knobs, and pulls. Satori Artisan Hardware products are designed and handmade in the US to high quality standards, backed by the manufacturer's Limited Lifetime Warranty, and green-crafted with 100% renewable energy.