SW45660 Telescopes from 5 - 9. Ideal for larger boats 45 and up as well as RVs and aircraft. No-look tracking system for foolproof adjustments. Teardop design makes Perfect Pole up to 67% stronger than other telescoping handles. Outer pole is made of custom extruded, heat treated, anodized aluminum. Inner pole is made of drawn 6063 T8 heat treated, anodized aluminum. Comfortable hand grip. Designed to work with Swobbit System Uni-Snap quick release accessories.