Heavy-Duty Door Closer, White Brand_American Metal The energy efficient motor is

The energy efficient motor is suitable for continuous operation and can be used to comply with ASHRAE 62

½” female iron pipe (FIP) connection with 5/16 square drive loose key stem

2″ poly web belt with roller buckle

bolt diameter is

6 YARDS (48MM X 50M)

Heavy-Duty Door Closer, White Brand_American Metal The energy efficient motor isv1339 heavy duty coor closer, white , heavy duty air controlled door closer is designed for use on out swinging wood or metal doors up to 1 3 8 inch thick , door closing speed is fully adjustable , two hole end plug allows closing force to be regulated , includes convenient "hold open" washer , extended operating life as closer is permanently lubricated.