Ball Shift Knob with Color Rings: * Includes black and silver (optional) manual transmission shift knob, 3 changeable colored rings, 4 shift pattern decals and adapters * Fits shifter stems from 5/16" to 9/16" * Assembled dimensions: 2"L x 2"W x 2.25"H * 30 day warranty from the day of purchase with receipt, excluding rust caused from dents and scratches