The Winthrop Terminator T-10X Adjusta Butts are machined from aircraft grade Aluminum and feature a 10 position mechanism to get the exact angled bent butt needed for your specific application and situation. Available in both #4 (80lb class) and #6 (130lb class) sizing, these adjustable butts from Winthrop offer superior function and design compared to the competition. Why buy two separate straight and bent butts and deal with moving your reel between them when you can buy one Winthrop T-10X adjustable butt? Proudly manufactured in the USA and perfect for all heavy duty applications targeting giant bluefin tuna, swordfish, marlin, and more!