Model Number: Dia: 2.5mm-5.2mm Brand Name: QICHUAN Key Specifications/Special Features: Drywall screw Philips pointedMaterial: C1022Finish: black phosphate, grey phosphate, yellow zinc plated, blue zinc platedDiameter: 2.5-5.2mmLength: 10 to 254mmUses: widely used in construction, workshop and daily lifePacking:1) 1kg/small box, 25 boxes/carton2) 1000 pieces/small box, 20 boxes/cartonOur quality is very nice have passed SGS inspection, we also can supply CO with Egypt embassy