trial frame
Wenzhou Xinfeng Tools Co., Ltd. [China] 
Minimum Order: 0
Quality/Safety Certification: 0.00
multifunction
Fixed PD mentioned on the frame body
PD scale :50/52/54/56/58/60/62/64/66/68
Package option:
A: Individual box
B: PD50~56 4pcs in a blue box
PD58~68 6pcs in a black box.
