Had the same issue as several other reviews. When installing the included QD air line fitting into the handle, the back of the handle separated before it was even remotely seated. Light to medium hand pressure, turning the wrench instead of turning it like crazy. There must be either a casting defect or an internal thread (possibly not deep enough). Will try to permanently seal JB and use it anyway (actually had success with it) wasn't worth the hassle of sending it back. Also just worth mentioning. The air cartridge is of the "open flow" type, which means that it sprays air like a blowgun when it's not connected to the valve stem and you squeeze the handle. They sell closed-flow ammo if you don't want it.
Goodyear EfficientGrip Performance 2 205/55 R16 94W summer
32 Review
Hankook Ventus V12 evo 2 Summer Radial Tire Review: 255/40R19 93Y
50 Review
π Enhanced Traction Goodyear Wrangler DuraTrac 265/65R17 All-Season Radial Tire - 112S
28 Review
Sailun Atrezzo Elite 225/60 R17 99V tires
36 Review