經濟性好，交貨期短，拚接也容易。
*為TKP35H22追加寬度13 (W = 13mm)、彎曲半徑100 (R = 100)
| 形式 | 內高 | 內寬 | 彎曲半徑 |
| TKP13H10 | 10 | 6, 10, 15, 20 | 18, 20, 28, 37 |
| TKP17H11 | 11 | 10 | 17 |
| TKP18H14 | 14 | 15, 40 | 28, 37, 50 |
| TKP18H15 | 15 | 20, 30 | 28, 37, 50 |
| TKP18H15 | 15 | 15, 20, 30, 40 | 28, 37, 50 |
| TKP25H15 | 15 | 15, 20, 30 | 28, 37, 50 |
| TKP35H22 | 22 | 13, 25, 38, 50, 63 | 37, 50, 75, 100 |
| TKP35H32 | 32 | 16, 25, 38, 50 | 48, 60, 75, 100, 125 |
| TKP45H25 | 25 | 38, 58, 78, 103 | 50, 75, 95, 125, 150, 200 |
| TKP58H39 | 39 | 50, 75, 100, 125 | 60, 75, 90, 125, 150, 200 |
| TKP62H34 | 34 | 150, 200 | 75, 90, 125, 150, 200 |
| TKP68H46 | 46 | 75, 100, 125, 150, 175 | 75, 100, 125, 150, 200, 250 |
| TKP90H50 | 50 | 100, 150, 200 | 130, 200, 250, 300 |
| TKP91H56 | 56 | 150, 175, 200, 225, 250, 275, 300, 325, 350, 400, 450, 500 | 150, 200, 250, 300, 350, 400 |
| TKP125H74 | 74 | 150, 250, 350 | 185, 250, 350, 450 |
| TKP91H80 | 80 | 150, 175, 200, 225, 250, 275, 300, 325, 350, 400, 450, 500 | 150, 200, 250, 300, 350, 400, 450, 500 |
