JY-1024
尺寸
范围
宽度(mm)
3/8"
17-19
20
1/2"
20-24
20
3/4"
26-29
20
1"
32-36
20
1-1/4"
40-44
20
1-1/2"
46-50
20
2
58-61
20
2-1/2"
72-78
30
3
86-89
3
3-1/2"
96-103
30
4
110-116
30
