PVC內牙塞規格: (單位mm)
SIZE W L T 1/2” 17.5 16 1.2 3/8” 12.5 10.5 1.2 1/4” 12 7 1.2
SIZE
W
L
T
1/2”
17.5
16
1.2
3/8”
12.5
10.5
1/4”
12
7