Fangrui Product Details Combination: The Package You Get 12 Pieces Of Pool Cleaner Parts, Including 4 Pcs Climbing Rings Compatible With 6101611 R4, 2pcs Guide Wheels With Pulley Gear Compatible With 3884997 R6, And 6 Pcs Pool Cleaner Track Compatible With 9985006 R2; The Enough Quantity And Combination Can Meet Your Use And Needs. Reliable Material: The Climbing Ring Replacements Are Made Of Quality Pva Material, Suitable For Keeping Your Pool Safe And Running Properly; And The Guide Wheels And Pool Cleaner Track Are Made Of Material, Not Easy To Deform Or Break, Providing You With Service For A Long Time. Easy Installation: Thoroughly Soak The Climbing Ring In Water Until They Expand And Soften Enough To Fit On The Roller; Just Slide Them In Slowly And Make Sure They Are In The Right Position; Guide Wheels With Pulley Gear And Gray Pool Cleaner Timing Track Can Be Installed Simply By Removing The Casing Of The Cleaner And Replacing The Old Part; The Easy Installation Can Sav