Craftsman 1/3 HP 3500 gph Thermoplastic Tethered Float Switch AC Submersible Sump Pump 3-34-341-03 It has a keychain clip

It has a keychain clip too

professional-grade solution ideal for demanding environments such as warehouses

The round back plate has a diameter of 4-1/2 inches

NS-OMC SKU F/7007036

Craftsman 1/3 HP 3500 gph Thermoplastic Tethered Float Switch AC Submersible Sump Pump 3-34-341-03 It has a keychain clipThe Craftsman 1 3 HP Submersible Sump Pump delivers high quality performance, built to withstand tough conditions and provide reliable water removal in various sump pump applications. Known for its strong reputation in power tools and home improvement, Craftsman continues to uphold its legacy with this durable and efficient pump, perfect for homeowners needing dependable water management solutions.