CLEAN OUT PLUG WRENCH (DRUM TRAP WRENCH) FOR HARDWARE TOOLS/SPECIAL TOOLS 1. ) Plug wrench for plumping applications 2. ) Use for both slotted or square countersunk cleanout plugs 3. ) Made of strong cast iron construction 4. ) Features: Multi Size Cleanouts 5. ) Function: Removes Or Installs Threaded Plugs In Cleanouts 6. ) Clean out Plug Wrench should make a difficult job a little easier 7. ) Four squares are 0.79", 0.93", 1.16" and 1.33" Two blades measure 1/4" x 1" and 0.48" x 1.5"