Fine Thread Drywall Screws - 3.5 x 50mm - Black Phosphate - Pack Qty: 1000SpecificationSize: 3.5 x 50mmFinish: Black PhosphateDiamenter: 3.5mmLength: 50mmBrand: Fx4Pack Type: BoxPack Quantity: 1000Drive Type: Phillips PHHead Type: CountersunkPTDFORDIR0004T756