Pure Fitness Door-mount Pull-up Bar at

PRx Performance - Lift Big in Small Spaces (As Seen on Shark Tank!)

Fits most doorways 27 to 32 wide and is adjustable up to 6.75 deep with extra-thick padding for points-of-contact with door frames to avoid marking

Adjustable Multi-Purpose Doorway Pull-Up Bar in Black (8733WB)

Fitness HQ

How Far Can Pull-Ups Alone Actually Get You? We Asked The Experts

Are Door Pull-Up Bars a Game Changer in Fitness or Just a Fad? – DMoose

Multi-Grip Pull-Up Bar - ProsourceFit

Do the portable pull-up bars that fit over a doorway damage the door frame over time? - Quora

Perfect Fitness Adjustable Easy Install Door Mounting Pullup Bar

Working out at a gym is overrated: The best at-home workout equipment for men - The Manual