The KST-10 three star tweezer Kitset in wooden box includes AA-SA, 00-SA, 00D-SA, 1-SA, 2-SA, 2A-SA, 3C-SA, 5-SA, 5A-SA, 7-SA all made in Switzerland. They are all made of anti-magnetic Neverust stainless steel.Specs amp; FeaturesKit - 10 pieces, Wooden Case, Application: Kit containes: AA-SA,00-SA,00D-SA,1-SA,2-SA,2A-SA,3C-sA,5-SA,5A-SA,7-SA, Quality: , Surface Resistivity : Conductive, Material: Anti-Mag. SS, OAL: 6 (150mm), Body Width: 7.5 (190mm), Body Height: 1.25 (31.25mm)