DESCRIPTION: This Set of Rules will help us in our binding work from cutting the corners to correctly positioning the cardboard. You can also use it to cover covers of all types of albums, make structures with spine, double lid, etc. Contains an instruction manual with information on how to use the rules included in the set. DETAILS: Includes 4 Pieces and 1 Case. L ruler with a width of 2 cm to place the lids and maintain the necessary margins to cover them + T-ruler to align the lids and spine and mark us the ideal distance to facilitate folding and shape your album + Separation guide with two positions of 2 mm and 1.5 mm marks us the distance between the lids so you can an fold + Corner corner cutting square that will mark the paper leftover before lining + Case + Instructions. WHO ARE WE? : Craftelier brand specializes in materials and tools for Scrapbooking and other crafts. With a strong commitment to design, our tools and materials are very careful and practical style. Discover in our Amazon store the full range of products that will help you master the art of paper. WHAT IS SCRAPBOOKING? : It is a craft discipline that is based on capturing memories, emotions or important events. The essence of scrap is to tell a story and for this it is based on two key elements: photography and memory around it. Photographs are used and decorated with the help of printed papers, ribbons, cardboard, washi tape, stamps and all kinds of ornaments. It can be made on albums, notebooks, letters, cards, postcards, agendas and planners. CUSTOMER SERVICE: We are experts and passionate about scrapbooking, crafts and art in general. We are at your disposal to resolve all your questions and questions about our products. We will be happy to assist you in the customer service available through Amazon internal messaging.