Ana amfani da igiyoyin kebul na bakin ƙarfe a wurare da za a iya zafi, domin suna iya jure yanayin zafi mafi girma fiye da igiyoyin kebul na yau da kullun. Hakanan suna da ƙarfin karyewa mafi girma kuma ba sa lalacewa a cikin yanayi mai wahala. Sigar kulle fikafika tana da fa'idar aiki mai sauƙi da sauri.
● Mai jure wa UV
● Ƙarfin juriya mai yawa
● Mai jure wa acid
● Hana lalata
● Kayan Aiki: Bakin Karfe
● Matsayin Wuta: Mai hana wuta
● Launi: Karfe
● Yanayin Aiki: -80℃ zuwa 538℃
| Maki | Faɗi (mm) | Kauri (mm) | Tsawon (mm) | Matsakaicin Dia na Bundle (mm) | Diamar Ma'aunin Ƙunshi Mai Ƙaranci (mm) | Ƙaramin Ƙarfin Tauri (N) |
| 304 316 | 7.9 | 0.26 | 200 | 55 | 12.7 | 2220 |
| 300 | 90 | |||||
| 400 | 120 | |||||
| 500 | 150 | |||||
| 600 | 185 | |||||
| 700 | 215 | |||||
| 800 | 250 | |||||
| 300 | 90 | |||||
| 400 | 120 | |||||
| 500 | 150 | |||||
| 10 | 0.26 | 600 | 185 | 19.05 | 2800 | |
| 700 | 215 | |||||
| 800 | 250 | |||||
| 1000 | 310 | |||||
| 300 | 90 | |||||
| 400 | 120 | |||||
| 500 | 150 | |||||
| 12 | 0.35 | 600 | 185 | 25.4 | 3115 | |
| 700 | 215 | |||||
| 800 | 250 | |||||
| 1000 | 310 | |||||
| 400 | 120 | |||||
| 500 | 150 | |||||
| 15 | 0.35 | 600 | 185 | 25.4 | 4100 | |
| 700 | 215 | |||||
| 800 | 250 | |||||
| 1000 | 310 |