Function: This picture molding hooks are a practical and convenient solution for hanging frames, wire, d-rings, sawtooths, and metal frames. Picture Rail Hooks are great for framed work, exhibition, art gallery, photographic work, art work Feature Easy to Install: The hooks easily slide onto picture rail, providing a secure and adjustable hanging option for your artwork suitable for loads up to 13.6 kg (30 lbs) Durability Material: The Moulding Hook are made of reliable steel.Strudy and durable.