Serious woodworkers, this Rockler Pro Lift router lift is an absolute game-changer for your router table setup! The 8-1/4\ x 11-3/4\ aluminum plate is substantial and durable, while the innovative Quick-Gear system lets you raise bits above the table in seconds - no more awkward reaching underneath. The Snap-Lock feature is brilliant too - just push a button to release the insert ring for tool-free changes, no more searching for lost screws! Once your bit is installed, you use the fine adjustment gear to set the final height with incredible precision down to 0.001\. The indexed marks on the adjustment screw let you make specific incremental changes by eye, which is super handy for repeat operations. The construction is heavy-duty with steel guide posts and bronze bushings designed for daily professional use. This thing won the 2018 Wood Magazine Innov8 Award for good reason - it makes bit changes and height adjustments faster, safer, and more intuitive than any other system out there. The package includes one insert ring with a 1-1/2\ opening, and additional inserts are available separately if you need different sizes. Whether you're doing raised panel doors, precise joinery, or any router table work, this lift saves you time and frustration while delivering professional results. The quality is exactly what you'd expect from Rockler - premium materials and smart engineering that actually makes woodworking more enjoyable. If you spend any significant time at your router table, this upgrade is absolutely worth every penny for the time and hassle it saves!