Heyco 2617 DP 375 Dome Plug 9.5mm - Black - Pack of 25

Optimas Dome Plugs - Optimas 2617, Ideal for covering unwanted openings, these convex, matt finish plugs from Optimas have a head that tapers to a thin edge presenting an excellent appearance. Heyco 2617 DP 375 Dome Plug 9.5mm - Black - Pack of 25

Price: £ 2.88 from Rapid Online Rapid Electronics Ltd.