Before you order please check a few notes: please check step 1 2 3 before you buy,only lower poles ; There is a bump on the top of the lower pole that fits products with holes in the upper pole bottom; if your original lower pole has 1-2 bumps and the steel tube is 1in in diameter, then it should be compatible There is hole on the top of the lower pole that fits products with bump in the bottom of upper pole; if your original top of the lower pole has 1-2 holes and the steel tube is 1in in diameter, then it should be compatible This enclosure pole should suit trampolines sizes 12, 13, 14, 15 and 16 ft, compatible with trampoline legs of up to 1.5" diameter, Fits trampolines that the poles style is curve poles trampolines;