May 22, 2020
| 관 크기 | 길이 | |||||||||
| 1/8" | 18" | 24" | 30" | 36" | 42" | 48" | 54" | 60" | 66" | 72" |
| 1/4" | 18" | 24" | 30" | 36" | 42" | 48" | 54" | 60" | 66" | 72" |
| 3/8" | 18" | 24" | 30" | 36" | 42" | 48" | 54" | 60" | 66" | 72" |
| 1/2” | 18" | 24" | 30" | 36" | 42" | 48" | 54" | 60" | 66" | 72" |
| 3/4" | 18" | 24" | 30" | 36" | 42" | 48" | 54" | 60" | 66" | 72" |
| 1" | 18" | 24" | 30" | 36" | 42" | 48" | 54" | 60" | 66" | 72" |
| 11/4년” | 18" | 24" | 30" | 36" | 42" | 48" | 54" | 60" | 66" | 72" |
| 11/2년” | 18" | 24" | 30" | 36" | 42" | 48" | 54" | 60" | 66" | 72" |
| 2" | 18" | 24" | 30" | 36" | 42" | 48" | 54" | 60" | 66" | 72" |
