1.Strong metal material: this bird feeder rod squirrel guard is made of black titanium stainless steel as raw material, its inner structure is stable, not easy for animal teeth to tear and break, longterm use is not deformed, and its reliable design does not hurt small animals. 2.FOR WOOD PASTE This squirrel plug has been specially designed to effectively and securely fit square or round posts with a diameter of 9.111.7 cm. The vertical squirrel jump of 4 inches suggests a height of 8 inches away from other trees and the ground, which can effectively keep squirrels away and provide a comfortable feeding station for your bird friends. 3.Frosted Paint Coating Process:4x4 squirrel baffle protector is made of frosted process, which can withstand rain, wind, snow and other environments such as harsh weather, outdoor adaptation is extremely strong. Difficult for squirrels to stand still in the baffle, deters squirrels. Easy to clean, frosted process reduces reflections that can harm other animals. 4.Easy installation: This compact bird feeder has four removable boards, no need to remove the stakes, only 2 combined together for one assembled on the wooden poles, can be arbitrarily adjusted to the size of your wooden poles, easy to install, no additional tools required.