1.OD10XID5XL177mm, Chromeplate gooseneck tube can support above 250 grams, mainly use for support scanners. 2.Designed with 1/4'' Screw Male end fittings, the fittings cut two plate for fixed the base plastic parts, supplied one pieces Wing style 1/4'' screw nut for easy assembly 3.Designed with 1/4'' Screw Female end fittings, the fittings cut two plate for fixed the scanner plastic holder, supplied one pieces 1/4'' screw female and spring washer for easy assembly. 4.Chromeplate disposal let the gooseneck ass' y beautiful and shinny, keep the gooseneck tube from rust and easy for cleaning 5.The gooseneck tube ass' y can be Rohs compliant and provide material certificate 6.Can produce the gooseneck tube with different size according to client's request, welcome to contact us for further discuss.