Dorma BTS80 Concealed Door Closer Complete Set C10386 Camtrol hinge is a type

Camtrol hinge is a type of invisible hinge

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Dimensions: Overall length of operator gear housing and arm assembly (not including crank handle)

one leaf mortises into the door frame and the other leaf is surface mounted on the door

Pad Width: 1-3/8"

Dorma BTS80 Concealed Door Closer Complete Set C10386 Camtrol hinge is a typeDependable and versatile floor concealed door closer made by Dorma. Model number is BTS80. For center hung doors (includes center hung door package B). Package B is for wood doors. It uses Dorma's spring #4. Door closer is double acting (opens in both directions unless a stop is installed in the door frame) and non handed (works on both left hand and right hand opening doors). Compact body allows installation in thin slab concrete subfloor