INSTRUCTIONS : (1)  SF-SV01H equipped with hook on two sides, it can be hanged by wire for long distance use. (2)  3 different tips attached with each set : (＋)PH-1, (－)1/8 and (－)3/16 (3)  Surface treatment adopts non-toxic anodize treatment, safe and durable. Customer's colors are welcome. (4) Packing : Set / Zinc-Plating Case