Product details:

The CBE Engage Hybrid Bow Sight features frustration-Free pin adjustments. Engage and move just one pin at a time. Loosen hex screw to engage the chosen pin. Turn the knob to make micro adjustments to individual pins. Armed Guard Fiber Management System protects the fibers every step of the way, from block to pin. And, there is now 12 inches of fiber for brighter pins! Quad Track four-track stability adjustment system eliminates rocking and rattling. The machined Rapid Drive elevation adjustment system is the fastest high-precision adjustment available one turn = 1.5 inch of travel. An ergonomic knob makes adjustments easy.