Labeled Size Options: The set shows an R40 size series across the four templates, with each piece displayed as 11cm / 4.33inch wide for layout planning Four Piece Set: Package includes 4 manual woodworking guide templates; place a suitable rounded guide on the workpiece and check the line before making cuts Corner Layout: Use the semicircular guide borders as a woodworking round corner jig to draw curved corners before trimming, cutting, or shaping wood boards ABS Template Build: Molded ABS construction keeps each compact drawing guide lightweight for worktable use, small workshops, garage projects, and repeated handheld layout tasks Workshop Project Fit: Built for furniture border drawing, board joining, model making, home woodworking, and renovation projects where rounded corner layout is needed, Manufacturer: JSGHGDF