Squirrels can't climb what they can't grip — the unpredictable spring-loaded motion of this slinky device startles squirrels and sends them back to the ground before they reach your feeder. Squirrel Proof Slinky Spring Pole Guard — 48 IN This all-metal spring device attaches to the top of your shepherd's hook or bird feeder pole using two included black plastic zip ties. When a squirrel attempts to climb, the spring's erratic bouncing motion frightens them off — no batteries, no electricity, just physics. Designed for single-hook shepherd's hook poles and fits poles up to 1 IN in diameter. Key Features Extends up to 48 IN — covers the full climbing zone on most poles Spring-loaded motion — unpredictable bounce frightens squirrels without harming them Durable all-metal spring — 2-5/8 IN diameter Fits poles up to 1 IN diameter — compatible with most shepherd's hooks Includes 2 zip ties for easy attachment Made in the USA Pole sold separately Specifications Extended length: 48 IN Diameter: 2-5/8 IN Pole compatibility: up to 1 IN diameter