This listing is for 10 pieces. Clearance. No tools requiredWorks with copper or plastic tubeProvides a permanent/removable leak-proof connectionLead freeCorrosion freeProduct descriptionPush-fit technology Quick disconnection without the need for tools High chemical resistance Food Quality and suitable for potable liquids and pure water applications Not suitable for compressed air and vacuum applicationsFrom the Manufacturer1/2OD by 1/2OD by 3/8OD reducing tee pushfit plastic fitting for the connection of plastic or copper tube. NSF 51 and NSF 61 listed. Designed, manufactured and assembled in the UK by John Guest Speedfit. Connectors use a grip then seal collet arrangement. Simply push the fitting fully onto the tube. Should the need arise to demount the connection push the collet towards the body of the fitting and pull the tube to release. The fitting ensures an easier working environment in confined spaces and removes the need for tools (no torches, crimpers or glues). 12 month guarantee against any defect in material or manufacture.R1R4S4