The Forespar Line Control system makes extending and retracting whisker poles quick and easy. Theres no need to go forward to adjust the pole length-simply uncleat the line to extend or retract. All poles have topping lift attachment points. Forespar poles are built from heavy-gauge anodized aluminum, high-modulus carbon fiber, or combine an aluminum outer tube with a carbon inner tube. Aluminum Inboard: Lexan SL Outboard: Spike Collapsed Length/Weight: 72"/3lb. 134" L PE-1 Mass Fitting 1-1/4" Tubing Dia.