Walters & Walters Ltd. We are the UK’s only factory dedicated to the Manufacture of Industrial Crayons including WWL Warehouse Crayons for general marking, WWT Timber & Metal Crayons, also for Lumber, Stone & Masonry and Street and Road Marking, WRL Rubber Crayons for all Rubber Surfaces including Tyres,  WGL Glass Crayons and WRB Heavy Duty Crayons for all surfaces. We are also the main UK Importer of Engineers French Chalk Sticks and Flats (Welders Chalk) and Distributors of Markers and Marker Pens for all surfaces.  We supply most brands but you will find the entire range of Edding Markers, Read more