The eco-friendly E2G surface blocking system consists of the E2G blocker, new surface blocks, a deblocker, and a proprietary environmentally safe medium called Onyx-Bond™. Onyx-Bond is the heart of the E2G blocking system. As a reusable, machinable, and biodegradable blocking material, lens laboratories worldwide will benefit from the use of this material for processing all conventional and digital (free-form) lenses. LENS BLOCKING SYSTEM FEATURES Full diameter blocking capability Posi-fill™ pump to uniformly dispense the Onyx-Bond Enhanced visual imaging acreen Interactive material filler Automatic block and lens detection system