TACO Grand Slam 300XL Outrigger Mount f/1-1/2" Outrigger [GS-300XL]Grand Slam 300XL Outrigger Mount for 1 1 2" Outrigger Single Handle Operation, Now for Larger Hardtops! The Grand Slam 300XL a stainless steel polished, anodized aluminum, single handle Outrigger Mount designed for hardtops up to 4. 5". Delivering enhanced safety and performance, the GS 300XL offers smooth, one handed operation from the deck. Easily adjust rotation and lift of outrigger poles with the ergonomic crank handle, which locks flush into the