This is for new chrome plated aluminum "KNUCKLES" shift knob. This solid aluminum shift knob features a 5 holes design that are open all the way through the handle in the style of old school brass knuckles. It will fit column shifters, floor and console shifters. It will work on automatics and stick shift cars. It comes with two different adapters so it will fit smooth or threaded shift handles from 1/4" all the way to 1/2" in diameter. This kit comes with both adapters, two stainless set screws and allen wrench.