Real Avid FINI, Tool, Choke Wrench, Fits .410,28,20,16,12,10 Ga, Red Finish with Stainless Steel Blade AVCWT210 Fini is the smallest" most functional choke wrench ever. It's built to stand up to stuck-and-stubborn choke tubes with a hefty" stainless steel choke blade inside a heavy-duty aluminum housing. It also features a flat screwdriver tip on the end of the blade" perfect for adjusting scope turrets for precision shooting in any element.