USP SFP30 Speedpost Fence Post Anchor, 30"Install wooden posts permanently or temporarily without digging for heavy duty applications such as long runs of fencing, corner and gate posts, larger wooden gym sets, detached patio decking, wooden sidewalks, seasonal docks, and more. Removable Forcefit clamps, 2 piece construction, increases unit strength and eliminate welds which are potential weak spots. Reverse spike blades offer lateral soil resistance, increased stability, and allows driving