Selkirk DSP7IWT Insulated Wall Thimble, 7" Wire Terminal Ends Recommended use on the following

Recommended use on the following materials: mild steel

Contributes to an ultra-smooth final finish

Super thin laser cut kerf for fast

Curved shaft to keep the bristles off the shelf

rolled up newspapers

Selkirk DSP7IWT Insulated Wall Thimble, 7" Wire Terminal Ends Recommended use on the followingHighlights: Size: 7" Installs quickly and eliminates need for using individual firestops Round shielding acts as a radiation shield and provides the required 2" air space clearance to combustibles The 2 sections telescope to accommodate 6" to 11" wall thickness The hole opening in the wall for No. 206463 is 8. 25"; for No. 207463 9. 25"; and No. 208463 10. 25"