Igipimo cy’Ubwongereza: BS EN545-2002
Igipimo cyabanyamerika: AWWAC 151
Igipimo cya Koreya y'Epfo: KSD 4311
Igipimo ca Australiya: AS 2280
3: EN545 / ISO2531 / GB / T13295 Uburemere bwumuringa wicyuma, T-ubwoko bwa K8 K9 K10 C Icyiciro, Uburebure bukora = 5.7 / 6M.