Ahşap üzerinde "U" 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 | 476,40 TL | 476,40 TL |
| 2 | 238,20 TL | 476,40 TL |
| 3 | 158,80 TL | 476,40 TL |
| 4 | 128,03 TL | 512,13 TL |
| 5 | 104,24 TL | 521,18 TL |
| 6 | 88,13 TL | 528,80 TL |

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 476,40 TL | 476,40 TL |

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 476,40 TL | 476,40 TL |
| 2 | 238,20 TL | 476,40 TL |
| 3 | 158,80 TL | 476,40 TL |
| 4 | 128,03 TL | 512,13 TL |
| 5 | 104,24 TL | 521,18 TL |
| 6 | 88,29 TL | 529,76 TL |

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 476,40 TL | 476,40 TL |
| 2 | 238,20 TL | 476,40 TL |
| 3 | 158,80 TL | 476,40 TL |
| 4 | 128,03 TL | 512,13 TL |
| 5 | 104,24 TL | 521,18 TL |
| 6 | 88,29 TL | 529,76 TL |

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 476,40 TL | 476,40 TL |
| 2 | 238,20 TL | 476,40 TL |
| 3 | 158,80 TL | 476,40 TL |
| 4 | 128,03 TL | 512,13 TL |
| 5 | 104,24 TL | 521,18 TL |
| 6 | 88,29 TL | 529,76 TL |

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 476,40 TL | 476,40 TL |
| 2 | 238,20 TL | 476,40 TL |
| 3 | 158,80 TL | 476,40 TL |
| 4 | 128,03 TL | 512,13 TL |
| 5 | 104,24 TL | 521,18 TL |
| 6 | 88,29 TL | 529,76 TL |

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 476,40 TL | 476,40 TL |
| 2 | 238,20 TL | 476,40 TL |
| 3 | 158,80 TL | 476,40 TL |
| 4 | 128,03 TL | 512,13 TL |
| 5 | 104,24 TL | 521,18 TL |
| 6 | 88,29 TL | 529,76 TL |

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 476,40 TL | 476,40 TL |
| 2 | 238,20 TL | 476,40 TL |
| 3 | 158,80 TL | 476,40 TL |
| 4 | 128,03 TL | 512,13 TL |
| 5 | 104,24 TL | 521,18 TL |
| 6 | 88,29 TL | 529,76 TL |

| Installment | Installment Amount | Total amount |
|---|---|---|
| 1 | 476,40 TL | 476,40 TL |
| 2 | 238,20 TL | 476,40 TL |
| 3 | 158,80 TL | 476,40 TL |
| 4 | 128,03 TL | 512,13 TL |
| 5 | 104,24 TL | 521,18 TL |
| 6 | 88,29 TL | 529,76 TL |
