Swanson 7.25 in. L X .875 in. H Aluminum Speed Square tier-discount-11 The built-in washer head eliminates

The built-in washer head eliminates the need for an additional washer

TRUaire is a leading manufacturer of grilles

Manufacturer Part No: 617388BLA

Number of Teeth: 4 teeth

Gives with the movement of the pipe while maintaining leak-proof seal

Swanson 7.25 in. L X .875 in. H Aluminum Speed Square tier-discount-11 The built-in washer head eliminatesSPEED SQUARE W BLACK MARKINGS, BLUE BOOK The Swanson Speed Square was first developed by company founder Albert Swanson in 1925. This innovative tool combines 5 tools into 1: 1. Try Square, 2. Miter Square, 3. Saw Guide, 4. Line Scriber, & 5. Protractor. The Speed Square is die cast for durability and accuracy. Made of heavy gauge aerospace aluminum alloy, it is built to last. Black filled gradations stand out against a matte finish for easy reading.