Door closer type W95-1020 CHG 1-1/8 Offset Satin S/S Concealed Mount Spring Action Door Closer With Hook Solid S/S construction throughout Satin finish Concealed Mounting offers clean, tamperproof appearance Unique cover design provides easy installation Interchangeability - unique concealed mounting hole pattern allows Close-Master to easily replace all existing models in the field Cushioned rubber roller and unique spring design offers smooth, quiet, trouble-free operation Furnished with 1-1/8 offset hook Close-Master permits fast door closure and positive gasket seal, reducing energy costs