GREAT PRODUCT

ok this is going to be a review of 2 of the same items all in one .. they were bought for my kids .. we have herb grinders 2 different ones .. darth vader , BB-8 Droid and .. so to say my son decided he wanted darth vader and the dragon ball lol. he loves those both and says they work great .. my daughter i gave to her in her mothers day bag and she used it that day and loves it .. ok lets start with DARTH VADER it is very heavy and made from some very sturdy material .. features razor sharp metal teeth and a 3-piece design.. with the pollen keif catcher your herbs will stay fresh after grinding. 
BB-8 DROID .. again a very heavy sturdy material . this one also is a 3 pc design .. you have the lid , the razors and then the keif catcher .. this one gives your herbs a fine grind .. with 
the grinders razor-sharp diamond metal teeth, you can rest assured that you will have the finest, most perfectly cut herbs .. also with this grinder your herbs will stay fresh after grinding in the keif catcher if you close it up good ..
with the opinions from my kids i can give an honest opinion this was a great purchase