The Harger Rack Isolation Pad is subtly engineered to isolate equipment racks from conductive flooring like concrete for effective bonding and grounding. In addition, it also prevents multiple ground paths. The strong, bosker quality 15" wide and 20-1/2" long GPO-3 Phenolic Isolation Pad with 0.062" thickness excellently fits Motorola equipment racks and ensures stability. Besides, it includes six isolating shoulder washers that are designed to accommodate 1/2" anchors. ISP Supplies is an official distributor of Harger, offering its certified Rack Isolation Pads at the best prices.