S&K Triangular Adapter for Round Poles screech owl nest box Suet is an excellent substitute

Suet is an excellent substitute for insects

and the steel body provides seasons of use

25" diameter entry hole rests on two sides of the home

and the lapped roof protects it from moisture

Mounting: mount to post (not included)

S&K Triangular Adapter for Round Poles screech owl nest box Suet is an excellent substituteUse the S&K Triangular Adapter to mount an S&K purple martin house onto your existing round pole. This adapter fits over your round 1. 25" diameter pole, enabling it to receive your S&K house with its triangular port. Made of plastic, this adapter is a durable, weather resistant converter for your round poles. Made in the USA. Dimensions: 1. 5"W inner section, 1. 875"W outer section Mounting: place on 1. 25" outer diameter pole Construction: plastic