8776 Spindle converter Finish/Color: Zink PlatedMaterial: SteelDimensions: 9/32" to 5/16"Features: From 7mm to 8mm SKU: 8776-721 Category: Doorknob Spindles Tag: Zink Plated Description Description Spindle sleeves (converters) enable a 9/32″ (7mm) wide spindle to fit snugly in a 5/16″ (8mm) wide hub. Made of steel and zinc plated. Sold in pairs. Inside width: 9/32″ (7mm) , Outside width: 5/16″ (8mm)