Duom040300 - O-ring

O-ring - for top plate - dimensions are 5/8 x 13/16 x 3/32 Part # Duom040300 Can be found on these lists: Price/Parts List Key # 800Plus #8 Patriot #7 900 (#1000-4931) #8 900 (#4932 & above) #8 Plat2000/LS-1000 #8 Duomatic 375 D-4-3 800B, C & Cvt. 4-2 Please check your top plates - there are some out there that get a different o-ring (Ez005) Please specify in the notes if your reloader has this flat o-ring.