Practical: You will mount the 2 pieces with 4 screws by simply measuring the place on the chipboard. You will then be able to assemble and disassemble it with the single screw in the middle. Solid & Durable: Ultra durable with unbreakable solid plastic material. With tight screwing, it does not slip, stretch or break. With durable plastic material, there is zero possibility of rusting compared to metal products. And it is 100% unbreakable. No more shaking: 4-way corner bracket secures and strengthens wood frame, wood bed, cabinet, dresser, chair, drawer, desk, bedside table. You can fix furniture easily and quickly with these L brackets. Installation: First, position it in the appropriate place and tighten it at 4 corners with a screwdriver to fix it to the chipboard. Then connect the upper and lower parts. Finally, install and tighten the middle bolt and complete the installation. No drill, no hammer, minimal damage, very easy to apply! Practical: You will mount the 2 pieces with 4 screws by simply measuring the place on the chipboard. You will then be able to assemble and disassemble it with the single screw in the middle. Solid & Durable: Ultra durable with unbreakable solid material. With tight screwing, it does not slip, stretch or break. With durable plastic material, there is zero possibility of rusting compared to metal products. And it is 100% unbreakable. No more shaking: 4-way corner bracket secures and strengthens wood frame, wood bed, cabinet, dresser, chair, drawer, desk, bedside table. You can fix furniture easily and quickly with these L brackets. Installation: First, position it in the appropriate place and tighten it at 4 corners with a screwdriver to fix it to the chipboard. Then connect the upper and lower parts. Finally, install and tighten the middle bolt and complete the installation. No drill, no hammer, minimal damage, very easy to apply!