8' Aluminum Channel Wire Lock Base 6x6x6 and the polyester paint is

and the polyester paint is corrosion resistant which does well in a greenhouse

and creates a uniform temperature throughout your greenhouse to reduce heating costs

Nylon bearings and solid shafts for smooth performance

Intended for use in every unique space

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8' Aluminum Channel Wire Lock Base 6x6x6 and the polyester paint isWire lock channel is also known as wiggle wire or spring lock. It is a fastening system to keep your greenhouse plastic secured in place with a tight fit. Channel wire lock systems are efficient, inexpensive, and reusable. Channel wire lock bases are needed to secure your greenhouse poly, shade cloth, screening, and other flexible materials. Wiggle wire is sold separately.