Lowest price:$22.99Description: The Poles can fitted with 2 types of bases to accommodate any ground work surface. The non skid base works well for flat and hard surfaces, and the spiked anchors offers security on soft and uneven surfaces. This unit model number 2009 is used for flat or hard surfaces.Used to secure Aluminum Poles to the work wall.Provides rigid, triangular bracing as required by OSHA.Full swivel head to accommodate all roof pitches.Durable powder coated finish