Traditional bookcase strip design for flush fitting by inserting into a pre-machined stepped groove. Standard stepped cutters are available to simplify the preparation process. The preferred choice of craftsmen. The design has the advantage of allowing the shelves to fit flush to the inside faces of the shelving bay. For matching studs see below. Flat Bookcase Strips are to be recessed into timber by using Trend Bookcase Strip Rebater (options below in related products).