Sold as 10 each. Hand tighten the "Turn-Key" hose clamp for a leak proof seal, even in tight spaces. For a tamper-resistant connection, pull off the turn key after tightening. Stainless steel band and housing. Plated steel screw with injection molded turn-key removable and reusable. Fits heater hose sizes. Carded. SAE Size 64. Manufacturer number: 807Y64052. SKU #: 4238341. Country of origin: China. Distributed by Tridon, Incorporated.