Loop-Loc Ultra-Loc III Solid Safety Cover w/ Drains - 18' x 36' Rectangle w/ 3' x 8' Center End Step anchor-sockets-bumpers-deck-flanges-escutcheons-hardware-treads There are 8 total round

There are 8 total round roller bearings which fit between the end pieces and each cross piece is separated by 2 round roller bearings

Manufacturer Part # BDLK600GF More Info For Use With: IN

Manufacturer Part # R0512000

Manufacturer Part # 22002001 More Info Compatible Model: CE | ST Capillary Length: - Bulb Length: 3-1/2" Bulb Diameter: - Notes Compatible Model: CE | ST Capillary Length: - Bulb Length: 3-1/2" Bulb Diameter: -

Loop-Loc Ultra-Loc III Solid Safety Cover w/ Drains - 18' x 36' Rectangle w/ 3' x 8' Center End Step anchor-sockets-bumpers-deck-flanges-escutcheons-hardware-treads There are 8 total roundExclusively From LOOP LOC: The Ultra Loc III Solid Safety Cover Is Tougher than Tough, Stronger than Strong! You no longer have to choose between the light weight of a mesh pool cover and the light blocking benefits of a solid cover. The revolutionary Ultra Loc III gives you the best of both worlds! Premium coated vinyl material with enhanced 100% polyester Rip Stop Scrim. Requires no pumping, scrubbing or heavy maintenance like solid waterbag covers.