S&K Round Entry Door Plugs, Set of 16 purple martin pole with winch and should be used when

and should be used when mounting a wooden house or feeder to a pole

Each 16 room shelter allows you to house multiple martin colonies in your backyard

Increase the martin housing in your backyard or maintain your colony using this Troyer's Birds' Paradise SuperGourd with Round Entry

such as monitoring and cleaning the apartments

Stainless steel spring clips allow the three panels to install on the home easily

S&K Round Entry Door Plugs, Set of 16 purple martin pole with winch and should be used whenQuickly and easily close your existing S&K martin house or gourds with round entries using these S&K Round Entry Door Plugs. This set of 16 plastic discs may be used with select S&K martin houses or gourds with round entry holes. Two tabs at the base of each plug insert into the 2" diameter entry of your existing martin home, and the top clip keeps it securely attached. The ivory hue of each plug blends with the color of the S&K Natural Gourd Kit, S&K