規格

3/8" x 1/4"

3/8" x 1/2"

1/2" x 3/8"

1/2" x 3/4"

3/4" x 1/2"

3/4" x 1"

1" x 3/4"

1" x 1-1/2"

1-18/2" x 1"

凹x凸