5. Warranty :9 months. 4. Please check the Compatibility Matrix on the description of page. 3. Each of the new revision and old revision trackpoint are included in this package。 Please take note the two thicker base feet are suggested to be installed on point 1# &2# and thinner ones to be installed on point 3#&4#. 2. Package includes: 2 * trackpoint, 4 * Base Rubber Feet Cover, Base foot is made of rubber. 1.Compatible with Thinkpad T460s,T460p, T470s,T470p,T480s,X280,X390,X395,X1 Carbon 4th,5th,6th Gen(Compatibility Matrix on Description Page).