Chain link Gate Spring Closer 1-5/8" X 3" For use in Residential 3 ft, 4 ft and 5 ft gates only. Meets Pool Codes. Will allow gate to swing both ways Fits Round Gate Frame 1-5/8" X 3" Post. Works with Auto Latch 1-5/8" X 3" Auto Pool Latch 1-5/8" X 3" for Pool Chain Link Fence Gate Easy to install on all standard gates, even on existing gates