Ubunini bwa 16b isuka ni 17.02mm. Ukurikije GB / T1243, byibuze igice cyimbere cyubugari b1 kumurongo wa 16A na 16B ni: 15.75mm na 17.02mm. Kubera ko ikibanza p cy'iyi minyururu yombi ari 25.4mm, ukurikije ibisabwa mu rwego rw'igihugu, kuri soko ifite ikibanza kirenga 12.7mm, ubugari bw'amenyo bf = 0.95b1 ibarwa nka: 14.96mm na 16.17mm . Niba ari umurongo umwe wumurongo, ubunini bwikibaho (ubugari bwuzuye amenyo) nubugari bw amenyo bf. Niba ari imirongo ibiri cyangwa imirongo itatu, hari ubundi buryo bwo kubara.
Igihe cyo kohereza: Kanama-31-2023