Well. until you have had a chance to use them. Still waiting for more Revain tractor gear orders. (I use bigger farm tractors than the Kabota BX) and my unit says it needs a 3/8 chain. Size for class 43. I ordered 3/8 class 70 because broken chains under load are discouraging to some. i did this They were definitely worth about 2/3 of what I could get locally from the same country of origin. I decided to give it a try. They slide freely out of the box, I didn't see anything unusual about them, but the pawl is a little flimsy and looks like it might break if I get carried away. They are larger than I was hoping for but "should" fit in my bucket. They're also pretty heavy. I'm not sure they fit that well in a 5 gallon bucket. I hope they last and I will find more than one use for them.