Ahşap üzerinde düz kanal açmak için kullanılır.
Görselde ifade edilen harflerin anlamları alttaki gibidir.
L1 : Uzunluk
L2 : Çalışma Uzunluğu
D : Çap
A1 : Uç Çapı

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 454,80 TL | 454,80 TL |
| 2 | 227,40 TL | 454,80 TL |
| 3 | 151,60 TL | 454,80 TL |
| 4 | 122,23 TL | 488,91 TL |
| 5 | 99,51 TL | 497,55 TL |
| 6 | 84,14 TL | 504,83 TL |

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 454,80 TL | 454,80 TL |

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 454,80 TL | 454,80 TL |
| 2 | 227,40 TL | 454,80 TL |
| 3 | 151,60 TL | 454,80 TL |
| 4 | 122,23 TL | 488,91 TL |
| 5 | 99,51 TL | 497,55 TL |
| 6 | 84,29 TL | 505,74 TL |

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 454,80 TL | 454,80 TL |
| 2 | 227,40 TL | 454,80 TL |
| 3 | 151,60 TL | 454,80 TL |
| 4 | 122,23 TL | 488,91 TL |
| 5 | 99,51 TL | 497,55 TL |
| 6 | 84,29 TL | 505,74 TL |

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 454,80 TL | 454,80 TL |
| 2 | 227,40 TL | 454,80 TL |
| 3 | 151,60 TL | 454,80 TL |
| 4 | 122,23 TL | 488,91 TL |
| 5 | 99,51 TL | 497,55 TL |
| 6 | 84,29 TL | 505,74 TL |

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 454,80 TL | 454,80 TL |
| 2 | 227,40 TL | 454,80 TL |
| 3 | 151,60 TL | 454,80 TL |
| 4 | 122,23 TL | 488,91 TL |
| 5 | 99,51 TL | 497,55 TL |
| 6 | 84,29 TL | 505,74 TL |

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 454,80 TL | 454,80 TL |
| 2 | 227,40 TL | 454,80 TL |
| 3 | 151,60 TL | 454,80 TL |
| 4 | 122,23 TL | 488,91 TL |
| 5 | 99,51 TL | 497,55 TL |
| 6 | 84,29 TL | 505,74 TL |

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 454,80 TL | 454,80 TL |
| 2 | 227,40 TL | 454,80 TL |
| 3 | 151,60 TL | 454,80 TL |
| 4 | 122,23 TL | 488,91 TL |
| 5 | 99,51 TL | 497,55 TL |
| 6 | 84,29 TL | 505,74 TL |

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 454,80 TL | 454,80 TL |
| 2 | 227,40 TL | 454,80 TL |
| 3 | 151,60 TL | 454,80 TL |
| 4 | 122,23 TL | 488,91 TL |
| 5 | 99,51 TL | 497,55 TL |
| 6 | 84,29 TL | 505,74 TL |
