Spring Toggle 1) Material: steel 2) Surface: zinc plated 3) Size: M3, M4, M5, M6, M8, M10, M12, 1/8, 3/8, 3/16, 5/16" Spring Toggle with cross bolt or with hook1) Material: Steel, 2) Surface: zinc plated3) Size: Germany Standard: M3, M4, M5, M6, M8, M10, M12American standard: 1/8" - 32 3/8"- 16 5/16"-18 3/16"-24 1/4"-20 spring toggle