Strengthen/ Repair Furniture- No more wobbly legs This furniture leg attachment plates are designed for attaching legs to new or damaged sofas, couches, seats, ottomans and more. Industrial Standard Each T-Plate is 2" by 2" (L x W) and 1/4" deep (approx). Plates have 5/16" threaded (Metric M8) attachment holes for hanger bolts ,have 4 unthreaded holes(5mm). Easy Installation within Minutes - No need to purchase hanger bolts separately . You have EVERYTHING ready to install furniture legs feet . Package includes all necessary parts- 4 sets of sofa leg mounting plates 4 pcs of M8 hanger bolts 4 pcs of M8 female converters 16 pcs of screw adapters for 5mm unthreaded holes. Convert to U.S. Standard Legs - If your sofa legs are pre-drilled for M10 hanger bolts, these plates allow you to use standard 8mm to convert to U.S. Standard Legs by simply attach these mounting brackets with the over the hole in the furniture frame. 4 sets pack.You have everything ready for the setup.Add them to your shopping cart and save more money .