Wonder Climbing Brush Ring - Pack of 4 max-length_5 Feet This 6 inch deep bronze

This 6 inch deep bronze anchor set of two accommodates 1

drill hole in pool wall 7/8 inch in diameter by 1-1/2 inches deep

you should be testing every day

It weighs approximately 185 lbs

Wonder Climbing Brush Ring - Pack of 4 max-length_5 Feet This 6 inch deep bronzeThis is a Maytronics 6101611 R4 package of 4 Climbing Brush Rings for specific Dolphin Robotic Pool Cleaners. This includes 2x2, Heavy Duty, DX3 4, DX6, Deluxe 4, 3001, Supreme M3 M4 M5, Nautilus, DLX4 5, Apollo, Endeavor, Atlantis, Atlantis Basic, Triton, Edge, Spectra Light, Quest, Wave 65 90, Supreme M5, Apollo Plus, Saturn, Deluxe 5, Primal X3, M400 M500, DX3S, Apollo Windo, Triton Plus. It is also designed for Pentair Prowler 820 830 pool