Is this Saker grease gun coupler any good?

[atikovi]

This came up while watching Youtube. Haven't used my grease gun in a few years but this looked pretty slick. Is this any better than anything else out there?

grease-gun-coupler

Don't miss our promo - Up to 50% OFF - It's ending soon! Get 50% Off Overview Features Usage Reviews Overview Features Usage Reviews A Magical Coupler for All Grease Guns and Zerk Fittings Proprietary Locking & Quick-Release Mechanism Get 50% OFF Now *If they're still in stock 30-Day Money Back...

www.pickedshop.com

 

[rlitman]

Looks like a knockoff of the Lock-n-lube. No idea if it's as good.

 

[VC455]

I am also intrigued by the advert.
There has got to be some Subject Matter Experts on here, anxious to hear your comments.

 

[uscarry45]

I have been pleasantly surprised and like my lock n lube