Replace Part Number: N16. The wa-ffle-style toilet paper dispenser key is an incredibly convenient tool, perfect for janitors, maintenance professionals, hospitals, schools, office buildings, and more. Wa-ffle Key Compatible With J-BT, Versa-twin, & Large Capacity Ultrafold Series Fit for Tissue Dispenser Models R2000, R4000, R4500 R6500, R3000, R3600, T1790,etc. Package Includes:4 Pack N16 Key for Plastic Tissue Dispenser. Never get locked out of your paper towel dispensers again.