Wright Products V820BL "Wright" Pneumatic Door Closer - Black Knobsets It can be used as

It can be used as a protective coating over fiberglass

For duct openings up to 20" x 20"

Complete hardware set for bi-fold doors

Fits 3/8" or 5/16"

The no-slip ProTouch grip provides comfort and leverage while reducing vibrations and hand fatigue

Wright Products V820BL "Wright" Pneumatic Door Closer - Black Knobsets It can be used as"WRIGHT" PNEUMATIC DOOR CLOSER For lightweight storm doors and wood doors. Full 90 degree opening. Two hole end plug for summer or winter. Adjustable latching power and closing speed. Replacement cover plate is included to cover old door bracket installation holes. Factory lubricated. Visual pack. Highlights: Full 90 Deg. opening For lightweight storm doors and wood doors Two hole end plug for summer or winter Adjustable latching power and closing