Stanley 21816 2-Piece 16' Telescopic Pole w/ External-Locking Cam and Smooth Finish - 1mm Commercial-Grade Thickness Length adjusts easily Durable posi-lock telescopic pole with smooth grips and external-locking cams For use with most standard pool / spa maintenance tools Black anodized Aluminum in commercial-grade 1mm thickness Smooth finish External-locking cam Durable grey ABS cam sleeve and handle 1-1/8" x 1-1/4" diameter pole - Extends to 15-1/2' / Collapses to 8-1/2'