Stone testing kit, with 5 flasks (with corkscrew), 1 testing stone and 5 acid blisters: 9K, 14K, 18K, Silver and Platinum
Stone testing kit 6 flasks with 5 flasks of 20ml (silver and gold, 8k, 14k, 18k, 21.6k), 1 flask for testing stone cleaning and 1 natural testing stone 60x40mm