NATIONAL SPECTRUM BRANDS HHI N100-040 V1339 ALU HD DR Closer V1339, aluminum, heavy duty door closer, air controlled door designed for use on out swinging wood or metal doors up to 1-3/8 inch thick, door closing speed is fully adjustable, 2 hole end plug allows closing force to be regulated, includes convenient hold open washer, Extended operating life as closer is permanently lubricated. Features V1339 aluminum Heavy duty door closer Air controlled door designed for use on out swinging wood or metal doors up to 1-3/8 inch thick Door closing speed is fully adjustable 2 hole end plug allows closing force to be regulated USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.