VEVOR Steel Landscape Edging, 5 Packs 990 x 207 mm Rust-Resistant Metal Landscape Edging, Bendable Garden Edging Border, Heavy Duty Lawn Edging, Easy-to-Install, Flower Bed Yard Pathway Divider Black
Yes, each piece is 990 mm long, but no, 1 pack will not give you a full 5 m of usable coverage, and yes, you should order 2 packs for an 8 m installation.