The Numatic Mop Clamp is a T-slot accessory designed to securely hold mop handles on compatible Numatic ECO-Matic, PRO-Matic, and MULTI-Matic cleaning trolleys, or in conjunction with the Numatic Accessory Bar. Keeping mop handles neatly stored and readily accessible during use, the clamp slots directly into the trolley's T-slot rail system for a secure, tool-free fit. Sold in a pack of 10.