QUAD CANE BASE *ALUMINUM BASE *UPGRADE THE WALKING STICK TO BE A MOST SAFE QUAD CANE *MOST STABILITY ON ALL TERRAIN *EASY TO INSTALL, REMOVE THE TIP OF WALKING STICK, JUST INSERT AND SCREW TIGHT *CAN BE APPLIED TO ANY KIND OF WALKING CANE IN THE MARKET *ANGLE CHANGEABLE BY 10 DEGREE MODELS *CANE FIT FOR 16MM OR 19MM DIAMETER TUBING