Broan 639 Wall Cap for 3-1-4 x 10 Duct for Range Hoods & Bath Ventilation Fans Its extra-large knurl and tight

Its extra-large knurl and tight jaw fit make adjusting effortless

This Fiskars 16" IsoCore™ 22 oz Milled-face Framing Hammer is a reliable tool for big framing jobs

Digital voltage tester

pilot drill bit (#5/6/55 Drill) are replaceable

garage and workshop

Broan 639 Wall Cap for 3-1-4 x 10 Duct for Range Hoods & Bath Ventilation Fans Its extra-large knurl and tightOverall sizing is 12 3 4 wide x 5 5 8 high. Duct fitting protrudes 4 7 8 from back of cap to allow proper fit to the ductwork (NOT for use with dryer venting). Equipped with a spring loaded backdraft damper and bird screen to keep nests and small animals on the outside. Wall cap is made of 24 gauge CRCQ steel construction with a black electrically bonded epoxy finish for durability and long life.