Sold as 3 UNITS at $10.50 per unit. (1 unit = Bx/50.) Slotted round head screw. Zinc plated steel. Boxed/50. 1/8" x 4". Requires 3/8" Bit. Manufacturer number: 370111. SKU #: 53715. Country of origin: . Distributed by Hillman Group Rsc.