Maka ogwe osisi ndị a gwuru egwu, a ga-eji ihe mkpuchi 14/16mm wụnye ya. Ogologo mkpokọta nke ihe mkpuchi ahụ ga-abụrịrị ma ọ dịkarịa ala nhata na dayameta nke osisi ahụ + 20mm.
Maka ogwe osisi ndị a na-egwupụtaghị, a ga-etinye ihe nkwado ahụ na eriri osisi abụọ nke 20mm nke ejiri ihe nkwado dakọtara kee. Anyị na-akwado ka ị jiri eriri osisi SB207 yana ihe nkwado B20.
● Ike nrụgide kacha nta (nwere akụkụ 33°): 10 000N
● Nha: 170 x 115mm
● Dayameta anya: 38mm