Contractor's Rafter Square, Aluminum, 16 x 24-In. Mailboxes & Slots PEX-B offers the highest-rated chlorine

PEX-B offers the highest-rated chlorine resistance and six-month UV resistance

crush resistant couplings

eyehole for easy hanging & storage

Active Ingredient: 99% Sodium Dichloroisocyanurate Dihydrate

Ideal for waterproof splicing of UF cables

Contractor's Rafter Square, Aluminum, 16 x 24-In. Mailboxes & Slots PEX-B offers the highest-rated chlorineJohnson's 16" x 24" rafter square is everything a builder needs to get the work done quickly, efficiently and accurately. It includes graduations in 1 8", 1 10", 1 12" and 1 16" as well as octagon scales, rafter tables, brace tables and board foot tables, making it useful for any number of different jobs. And those graduations and tables are permanently stamped so you'll never worry about them fading or wearing. This rafter square's aluminum