• Package content: includes 170 screw-in nuts in 13 different sizes for various applications. • Made of carbon steel with white zinc surface treatment that provides strength and durability. • Includes M6, M8, and M10 sizes in different lengths from 8 mm to 25 mm. • Suitable for pine, plywood, fiberboard, and other softwoods. • Precise thread inserts, firmly inserted and resistant to loosening. • Includes storage box for practical organization and quick access.