M4m6 mmịfe na-egbu egbu mmanụ

Pịnye: L4 - 0.75, eriri 4mm ọkpọkọ, na-esite dayameta 1mm; l4 - m6 * 0.75,75,75,75,75,75,6mm mmanụ ọkpọkọ, Ibe mmiri dị miter 6mm, na-aga n'ihu 0.75mm; l6 - m6 * 1,6mm mmanụ ọkpọkọ, eri Mpụga nke 6mm, tere aka 1mm.