Atrium Mortise Lock Spindle, Mill Pinit Part Number: 40007 Price: $5.95 Quantity discounts available QuantityPrice Quantity: Each-+ Add to Cart DescriptionAdditional InformationSpindle for Handle Set 5/16 x 3-1/4 inch square Spindle Diameter: 5/16" (8mm)Allen Wrench: 3-1/4"Finish: MillPriced and sold each.