Non-handed, concealed spring loaded door closer
Steel cylinder and spring, plated steel link-chain and brass anchor plate
Adjustable spring force
Suitable for interior lightweight and medium door sizes up to 110 lbs (50 kg)
Fits on doors 13⁄8 to 13⁄4″ (35 to 44.5 mm) thick
PERKO: Maximum door opening of 98° *
PERKO-L: Maximum door opening of 180° *
Oval or square anchor plates
cULus listed, tested for 30 min on fire door
Endurance tested to 500,000 cycles
(*)Door opening depends on door thickness and hinge size/geometry.