Small Hinged Screw Caps - for 3mm (No.6) & 4mm (No.8) screws - 100 approx - pvcbuildingproducts.co.uk
Fixrello Window Handle 40mm Spindle - Offset Left-Handed espag Inline Locking Handle for DIY and Home Repairs - uPVC Window Handle - Comes with Screws, Caps and Key (White, Right Hand) :
Cockspur Window Lever Screw Cover Cap Pack of 5 - Leisure Parts 4U