door closer
Invisible door closer hidden home door automatic door closer hidden device spring adjustable hinge hardware
==========
Material : STAINLESS STEEL
Origin : Mainland China
Type : Door Closers
Product Name : Invisible door closers
Load-bearing : 60-80kg
Product function : automatically close the wooden door
Product color : brushed silver/matte black
Manual size : Manual size/The actual size shall prevail, with an error of 1-3 mm
Opening suggestion : Use 22MM diameter,