An excellent assortment of 1500 general purpose pozi headed screws supplied in a durable organiser the screws has a countersunk head design so they sink flush with substrates to leave a smooth surface finish the single threads have been designed to offer higher pull out values and quicker insertion with a zinc yellow passivation coating that offers excellent resistance to corrosion suitable for use with many materials including pvcu timber chipboard and mdfcontains100 x screws 35 x 16mm100 x scr