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