No Image Lot 373 Lot of Phase ll Portable Hardness Tester Set Model: PHT-1800, S/N: PH0114061004. See photo. 373Lot of Phase ll Portable Hardness Tester Set Model: PHT-1800, S/N: PH0114061004. See photo. Harris Auctions Lot of Phase ll Portable Hardness Tester Set Model: PHT-1800, S/N: PH0114061004. See photo. Add to watchlist Vivre