This is the Duratrax Black Nylon Body 3" Post Made of a Black Nylon Material Adjustable Height Collars (1/4" inside diameter) Secured With A Single Set Screws Great for Making Custom Size Body Mounts Two Mounting Posts Two Collars Two Set Screws (4-40x1/8", use 0.050 hex wrench) Two Mounting Screws (4-10x3/8" flat-head, use 1/16" hex wrench) These Are Adjustable From 2.5" to 3" In Height Body Clip Pins 0.050 Hex Wrench (GPMR8000) 1/16" Hex Wrench (GPMR8006) Also Available In Different Lengths and Colors: DTXC2602 Nylon Body Post White 2" 2603 3" 2604 4" 2605 1.5" 2606 2.5" 2607 3.5" 2608 4.5" DTXC2612 Nylon Body Post Black 2" 2613 3" 2614 4" 2615 1.5" 2616 2.5" 2617 3.5" 2618 4.5" AXY 5/2/98 ir/jl &