Practisol Universal Extension Wrench, Pro 3/8'' Wrench Extender Adaptor Extension Bar Handle, Works With Socket Ratchet Wrench Impact Driver, for Hard-to-reach Areas, Home Car Repair Tool (Black)

do not know how it works as bought it for a gift

I'd seen a video of this product in You Tube, so I want to try how well it works. Fortunately, it really does well and as advertised.I want to get to bolts toward the back side of my engine, without any room to attach a socket wrench or anything with leverage to take it off. Well this wrench extender is the perfect tool for just that.When you are figuring out how to get that bolt or nut loose, I have made work done with this helpful tool. It’s of good build, but not indestructible. So far, this tool makes my job easier in narrow space. It is A MUST HAVE for your tool box!

Je l’ai utilisé une fois et l’engrenage a eclater

Absolute garbage. If there was any pressure from the bolt or nut while loosening, the dumb tool would start to split apart (cheap plastic). Don't waste a cent on this. Go to Napa and spend the money on the quality tools they have. It cost me 270 for all 3 sizes but I can put my impact on them. That's quality. I'm gonna give this one away to one of my mechanic buddy's as a gag gift.

The chain on the inside needs a adjustment screw to make it right . It has got loose after one use ... And no way to adjust it .