Package includes: 100pcs 7-shaped screw hooks to meet your daily needs, overall size: 40x15mm, M3.2. Material: The 7-shaped screw is made of carbon steel, which has good wear resistance. Carbon steel is a recyclable product and is not harmful to the environment. Easy To Install: These screw-in hangers have tapered ends so you can easily insert them into walls, wood, or other surfaces. Features: Intensity level 4.8, suitable for most activities in life, with a wide range of applications. Application: You can use the screw hook anywhere you want, for example, hanging keys and dog chains on the door, hanging clothes on the wardrobe wall, etc. Size 40x15mm, M3.2 Material Carbon steel Hook Type 7-shaped screw hook Type Screw Hook Brand Unb.