Floor Door Stop, Zinc Protractors & Center Finders This rafter square's aluminum construction

This rafter square's aluminum construction makes it conveniently lightweight while also keeping the tool safe from rust

Thumb press for maximum cutting power

WINBAGS® safety value allows a no fail approach to installs

The Crescent Nicholson 21474H 4-1/2" long ergonomic handle fits onto most popular files

The 1/4' size fits standard hole saw arbors

Floor Door Stop, Zinc Protractors & Center Finders This rafter square's aluminum constructionV229, zinc, floor door stops, prevents damage to walls, floor mount heavy duty base, fit doors with clearance up to 2", can be use on wood or concrete floors, steel base & rubber bumper.