【Premium Aluminum】Made from aluminum alloy, lightweight, almost weightless,strong and durable 【CNC Machining】Machined by CNC technology to ensure high accuracy. The accuracy of each cutting part can be ensured for easy installation 【Smooth Surface Finish】Processed by anodization, rust resistance and corrosion resistance 【Precision Fit】Fit most vehicles with M10x1.5 shifter. The boot collar is reversible and can be flipped to match your knob's base diamet 【Including】Includes 2 binding nuts, one meant for flat-bottomed knobs, and the other meant for boss-bottomed knobs. Fully tooled and installed in minutes Package Included: 1x Shift Boot Collar 1x Flat-Bottomed Knob Binding Nut 1x Boss-Bottomed Knob Binding Nut Fitment: Compatible with HONDA S2000 (MT only) 1999-2009 Compatible with HONDA Civic ( MT only) 2002-2011 Compatible with HONDA Civic (MT only) 2016-2022 Compatible with ACURA RSX-S and Base (MT only) 2002-2006 Compatible with HONDA CR-V ( MT only) 2002-2006 Compatible with HONDA Integra-R 2002-2006 Compatible with HONDA Accord(MT)2003-2007 Compatible with HONDA Accord (K-Series only, MT only)2008-2012 Compatible with Honda Accord (all mt)2013-2022 Compatible with HONDA Element (MT only)2003-2011 Compatible with ACURA TSX (MT only)2004-2014 Compatible with HONDA Civic Si (MT only)2012-2022 Compatible with HONDA Civic Type R (MT only) 2015-2021 Also Compatible with most Honda M10x1.5 shifters. The fitment list above is simply vehicles where have confirmed fitment NOTE: Only For aftermarket knobs