Hanging Picture Set: Includes 50 sets of 2 sizes; 30 sets of 30 lb. spiked hooks and 20 sets of 50 lb. spiked hooks, plenty of quantity to meet your various needs No Need to Drill Big Hole: Simply place the hook and hammer the nails into the wall. Easy to install and remove, leaving minimal holes that do not affect the appearance of the wall Suitable Wall Surfaces: This picture hook kit is ideal for wood, drywall, and plasterboard. Not suitable for glass, concrete, or ceramic walls Wide Application: Picture frame hooks can be used in bedrooms, kitchens, utility rooms, garages, bathrooms, and other areas. Suitable for hanging paintings, picture frames, photos, mirrors, posters, keys, decorations, artwork, clocks, kitchen utensils, and other items Solid Material: These wall hangers are made of sturdy thickened metal, not easy to bend or break, and can securely hold heavy objects. Keeps your photos and items firmly in place Color: Gold Material: Metal Package Contents: 30 sets * 30 lb. hooks 20 sets * 50 lb. hooks Only the above package content; other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3 cm.