The high-quality and durable iron-zinc structure ensures durability and longevity. The four-in-one design will be an excellent choice for connecting various panel furniture, such as bed frames, wardrobes, cabinets, cabinets, tables, bunk beds, headboards, and footstools. Replacement hardware → This will be a good replacement hardware for beds and bunk beds. Feature: Total Size: 100 x 29 x 15.2mm/3.9" x 1.14" x 0.6"(L*W*T) Screw Bolt Size: M8 x 80mm/0.3" x 3.15"(D*L) Hex Nut Size: 15.2 x 6mm/0.6" x 0.23"(W*H) Half-Moon Nut: 29 x 14.7 x 7.8mm/1.14" x 0.58" x 0.3"(L*W*H) Package Content: 8 Set x Furniture Connecting Fitting Note: There may be collisions during transportation, but it will not affect the use. 1. There are some errors in manual measurement, so the dimensions are for reference only.The actual parameters should be based on the actual object. 2. Due to the different colors displayed on different computers, the color of the actual item may be slightly different from the above image.