1. The Short Shift Extension could adjust the length for your preference,and provide a more comfortable experience. 2. Made of stainless steel, which could use for a long time, do not fade also corrosion resistant. 3. It has 4 adapters available (M8*1.25,M10*1.25,M10*1.5,M12*1.25). 4. Easy to install. 5. Size: 18*6.5*2cm