With high-friction rubber surfaces and a durable core, Bench Cookie Work Grippers are the most exciting, versatile accessory to hit wood shops in years. They keep projects from slipping while routing, sanding, carving and more. They raise up panels for edge work and finishing. They make assembly easier. And they set up in seconds. Four per pack. Each cookie is 3-Inch' dia. x 1-Inch thick. Patent Pending. This offer also includes a rack to hold 4 cookies and mounts easily in your shop.