水泥杆脚扣、电工脚扣厂家、可调式脚扣、防滑脚扣v水泥杆脚扣、电工脚扣厂家、可调式脚扣、防滑脚扣水泥杆脚扣、电工脚扣厂家、可调式脚扣、防滑脚扣用途:适用于电力、邮电线路混凝土杆或钢管塔登高用。产品编号型号模式额定负荷适用杆径   (kg)(mm)HD077-01JKG-250定距150ф250HD077-02JKG-300定距150ф300HD077-03JKG-400定距150ф400HD077-04JKGD-300变距150ф900-ф300HD077-05JKGD-400变距150ф250-ф400HD077-06JKGD-500变距150ф350-ф500