Stanley 21818 2-Piece 16' Telescopic Pole w/ Inside-Locking Cam - 1mm Commercial-Grade Thickness For use with most standard pool / spa maintenance tools Black anodized Aluminum in commercial-grade 1mm thickness Smooth finish Internal-locking cam for extra-strength 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'