Nkwekọrịta maka iji igwe, plastik, osisi, na mgbidi akọrọ. Ngụkọta ogologo: 225 mm. Kwesịrị ekwesị maka ịkpụ akwa metal (2-8mm). Kwesịrị ekwesị maka ịkpụ osisi ntu, kaadiboodu (10-100mm), plastik (5-175mm), fiberglass mesikwuru plastik (8-50mm). Mbelata kwụ ọtọ maka ígwè.