https://www.bhphotovideo.com/c/product/1739315-REG/pgytech_p_gm_217_extension_pole_for_tripod.html/specs
17 to 47 cm 143 g
■ 貨號：P-GM-217
-------- 以上規格僅供參考，若有錯誤以原廠資料為主 --------