Check the listing for details. 1/2" Polycarbonate Skid Steer Door Bobcat M Series Models. Condition: New. Listed at 791.00 USD. 1/2" Thick Bobcat M Polycarbonate Skid Steer Door. For Bobcat M Series. Skid Steer Loaders. All-Wheel Steer Loader. It's a durable product made from impact-resistant polycarbonate material. The product is coated on both sides for maximum abrasion resistance.