I bought an 81 piece set of SPI economy grade gage blocks, most are still in the oil paper wrapping. Paid $50. Missing 2 blocks, .500 and.148. Damn, individuals are expensive when purchased separately. Anybody have a cheap source? Grade doesn't matter, as it's the garage set. Would be nice if they still wring on both sides if I have to buy used. Even EBay isn't cheap for individuals.