Only treated material & coated screws are used. (NO NAILS) All screw holes are pre drilled. Prices range from $210 for a 4ft covered box to $290 for a 6ft covered box and even a 16' covered feeder for $675 with many different prices in between. Open feed troughs range from $130 for 8ft to $230 for 16ft. I also build 4' x 8' covered portable dog pens & covered round roll/ compressed hay feeders. Located about 10 minutes away from the Webster cow sale. Will make any custom boxes. Deposit required.