Heyco 2613 DP 312 Dome Plug 7.9mm - Black - Pack of 25

Optimas Dome Plugs - Optimas 2613, 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 2613 DP 312 Dome Plug 7.9mm - Black - Pack of 25

Price: 2.44 from Rapid Online Rapid Electronics Ltd.