Patent ID: 8438803

Claim:
A sleeve for protecting a utility conduit passing through a hole in a stud used in building construction, comprising: a body portion forming a hollow trough extending longitudinally and defining a body length, wherein said trough has a circular side section with a diameter defining a body width, and wherein said circular side section is changeable to adapt said body width to coincide with a range of sizes of the hole in the stud; said body portion further having an inserted end and a worked end at opposed ends of said trough to permit engagement of the sleeve into the hole in the stud by inserting said inserted end into the hole and pressing on said worked end; said body portion further having two edge portions extending between said inserted end and said worked end, wherein each said edge portion has a plurality of edge fingers; a stop portion at said worked end of said body portion to stop insertion of the sleeve into the hole beyond a proximate face of the stud; and a retention portion in the sleeve to affirmatively retain the sleeve within the hole once inserted there in.