Notrax 410 Airug 4' x 60' x 3 8" Anti Fatigue Mat, Enhanced Slip Resistance with Beveled Edges and Ribbed Surface, Ideal for Industrial and Commercial Workplaces, Gray, 410R0348GY Ribbed Surface 4' x 60' x 3 8" Grey Work & Safety Use this tool for simple Use this tool for simple tasks such as easing sharp corners or for more intricate jobs such as making drop leaf tables which channels naturally occurring heat from within the inner core of the battery and dissipates it Upgrade your workspace with Notrax mats and experience the benefits of increased comfort and safety at an affordable price Minimized Tripping Hazards Designed with beveled edges on all four sides