1. The material is a metal presidency.2. The design of this project is to construct a mold during the construction of an apartment, etc., and to fix the article to a vertical or horizontal surface form on the slab surface and aluminum molds on both side walls, The drill piece hex head is protruding..3. The design consists of a drill piece thread, a circle, a thread, a lotus pattern, and a hexagonal face..4. The purpose of this paper is to fix the corner cap to the hexagonal head protruded after laminating the plate-shaped insulation material after the application for the corner, thereby preventing the plate-shaped insulation from being dislodged or disturbed..5. The design features a drill piece at the bottom..6. Drawing 1. 1 will expresses the overall design aspect of the present.7. Drawing 1. 2 will present the image of the front part of the design, drawing 1. 3 will present the image of the rear part of the design.8. Drawing 1. 4 will present the image of the left part of the design, drawing 1. 5 Is the image of the right part of the present design.9. Drawing 1. June will present the image of the flat part of the design, drawing 1. 7 will present the image of the bottom portion of the design.10. See diagram 1. 1 is a representation of the installation construction state of the design.Combination of shape and shape of "Insulation cap fixing screw" as the main point of design content.