Torque Solution Delrin Slim Shift Knob: Universal 10x1.25 Creator Exchange Roblox Game Analytics & Marketplace. Torque Solution Delrin Slim Shift Knob Applications: Universal 10x1. 25 Torque Solution's Slim shift knob is made from an aerospace polymer Delrin material. Delrin material is impervious to heat and cold. Making it an excellent choice for racing applications and for daily driving in hot and cold climates. It is also not slippery and will not rattle like some metal knobs do. The hole extends as deep as possible to give you the lowest possible installed height.. Features: Installs in Minutes 1. 5" Round x 4" Tall Recessed shifter threads by 15. 9mm . 625" Weighs 131g 4. 6oz Street and track torture tested Delrin polymer Limited Lifetime Warranty Important: Will not fit vehicles with reverse lockout.