Multimode ST Coupling Sleeve, Metal Shell, Phos. bronze sleeve • EIA / TIA specifications • Compact and lightweight • Easy installation in panels • Precision alignment straight split sleeves Nickel-plated brass body Zirconia or Phosphor Bronze Sleeve Nickel Plated Brass Hexagonal Nut Nickel plated brass washer Operating temperature (ºC).Min -20º Typ. + 25º Max +60 Optical Features- ST DD-Shape PC Singlemode Multimode (Bronze) Typical insertion loss .07 .15 Mechanical characteristics Insertion loss variation after 500 connections <0.10dB The following drawing shows the recommended panel hole dimensions. • Fiber optic instruments • Testing of optical devices Due to recent problems with mailing to the UK. All UK buyers should contact us before buying. We are sorry for this problem not coming