Function：
with 7 sections can extend to 673mm long and magnetic capacity of 0.7lbs/0.3kgs. 1.3 mm(or0.6mm) of needle. Picking up & mark sketching. With the pen-clip for the easy take in the pocket and the express of profession for engineers

Remark：
七節伸縮可吸附 0.7lbs/0.3kgs 的物件, 針為1.3mm(及0.6mm)., 拉開長度673mm長, 收納後175mm,