With the new Terminator T-10X Adjusta-Butts, you have the flexibility to position your rod from straight to bent and anywhere in between with 10 adjustment settings. Machined from aircraft-grade aluminum with a hardened stainless-steel positioning mechanism; the T-10X Adjusta-Butt is precision-built for strength and durability. The Delrin collet nut is built to stay tight and never back off. We only sell the Number 4 Butt