National Black Heavy-Duty Pneumatic Screen Door Closer Aluminum Ducts can produce a wide pressure

can produce a wide pressure range of up to 90 psi and is capable of performing virtually every spraying task

for use under cabot the finish

Pleated cellulose construction for increased surface areas and strength

Bolt is non-removable

3/8" dr hex bit socket: 5/32

National Black Heavy-Duty Pneumatic Screen Door Closer Aluminum Ducts can produce a wide pressureHeavy duty air controlled door closer is designed for use on out swinging wood or metal doors up to 1 3 8' 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.