.
Inaweza kutumika kwa kushona, ikiwa zana ya mraba inatumiwa, inaweza kusindika uso wa mwisho, kukata nje, kuchosha n.k.
Kipengee NO. |
| A(katika) | B(katika) | C(katika) | Masafa ya kubana (ndani) | anuwai kidogo (ndani) |
550-110 | 250-110 | 7/8 | 2-1/2 | 1-9/16 | 3/16-1/2 | 3/4×3/8×1/4 |
550-210 | 250-210 | 1 | 2-5/8 | 1-3/4 | 1/4-5/8 | 3/4×3/8×1/4 |
550-310 | 250-310 | 1-3/16 | 3-1/8 | 2 | 1/2-3/4 | 3/4×3/8×1/4 |
550-410 | 250-410 | 1-7/16 | 3-3/4 | 2-1/2 | 1/2-1 | 3/4×3/8×1/4 |