Sufficient quantity: you will receive 40 pieces metal keyhole hangers and 80 pieces screws in total, sufficient quantity and good combinations to securing your photos or pictures on wall or shelves Quality material: the keyhole hanging fastener is made of quality cold rolled steel with hardness and durability, lasting for a long time; Thanks to the light weight and smooth surface, the keyhole fasteners are easy to carry and store and protect your hands from scratches Size information: each keyhole hanger measures approx. 43 x 16 mm/ 1.7 x 0.63 inches, 1.2 mm/ 0.047 inches in thickness, its 2 mounting holes are approx. 4.5 mm/ 0.18 inches in diameter, suitable for most key size; The screws are approx. 4 x 16 mm/ 0.16 x 0.63 inches; Please check whether the size is suitable for your needs Convenient to install: what you need to do is insert the screw into the holes and fasten them on the wall or picture frame, these fasteners combined with mounting screws will securely hold your photo and keys without loosing or sliding, easy and convenient for you to install Useful tools: our keyhole hanging fasteners are useful tools for hanging your artwork, wall decorations, picture frame, photo, mirror and more, they are also suitable for mounting shelves, cabinets and signs, they will bring much convenience to your daily life 40 Pieces singer hole hanging plates metal keyhole hangers keyhole hanging fasteners with 80 pieces screws for picture frame mirror cabinet hook, 43 x 16 mm Feature: Practical to adorn your room: These metal keyhole hangers are practical to hang and secure your pictures, frame, photo, mirror, hanging ornaments and more, they will not only be practical tools to manage your items, but also can adorn your room and add more beautiful scenes to your house. Compact and lightweight: This singer hole hanging plates are compact and lightweight, convenient to carry and store, helpful tools for room, home, office and more. Specification: Material: zinc-plated, metal, stainless steel Keyhole hanger: approx. 43 x 16 mm/ 1.7 x 0.63 inches Screw: approx. 4 x 16 mm/ 0.16 x 0.63 inches Color: as shown in pictures Package include: 40 x Metal keyhole hanger 80 x Screw Note: c