Knuckle Ball Shift Knob (White Delrin) by Kartboy Kartboy Knuckle Ball 5 and 6 Speed Shift Knob (WHITE Delrin). As of 6/25/11 only the black/Chrome and Yellow/Black logos will be included. Features Weight: 0.15625 lb Available in 5 and 6 Speed Applications Universal What’s In The Box? Knuckle Ball Shift Knob (White Delrin)