A TOOL SET TO TAKE THE CHECKS APART FOR THE WATTS 009 AND 007 SERIES 1 1/4" - 2" SIZES. COMES WITH TWO DIFFERENT SIZE CHECK CANISTERS. THESE CANISTERS GIVE COMFORT AND ADDITIONAL FORCE TO SEPARATE THE CHECK CAGE FROM THE SEAT. ALSO COMES WITH A FRICTION PLATE TO HOLD THE SEAT SECURE AS YOU TURN THE CANISTER TO SEPARATE THE CHECK. COMES WITH A NYLON MESH CARRYING BAG.