Silverline Bearing Packer 110mm, brand new fully packaged never been opened. It's a workshop tool used to pack grease into wheel bearings, especially tapered roller bearings used on trailers, caravans, older cars, and some machinery. Suitable for wheel and hub bearings up to 100mm inside diameter. Uses ABS plastic cones and a threaded steel rod, designed to work with a standard grease gun. A very useful tool.