This sturdy pole cap is made of steel and ABS Plastic. Top portion is made of ABS Plastic in order to keep moisture out and to maximize the durability of this pole top cover. The bottom portion consists of steel strips that flex and grip the sides of the pole eliminating any movement after placement. This pole cap works with any 4 inch round pole regardless of material thickness of gauge.
Fits poles with:
4 inch outside dimension
3.5 inch-3.875 inch inside dimension