This product Compatible with Microsoft Surface Laptop 3/4/5 1867 1868 1872 1873 1950 1951 1952 1953 1978 1979 Laptop Length: 8.7MM/0.34inch，There may be slight differences in manual manual measurements. Please check the notebook model before purchase, do not buy wrong. Please clean the grooves before installation to avoid affecting the paste effect.There is a double-sided adhesive strip on the back of the product，You can also use a glue to reinforce its contact with the notebook. Package : 4 PCS Bottom Case Rubber Foot （2 pcs A Type 2PCS B type） We are committed to providing a better shopping experience for our customers, if you have any questions, you can always contact us. Replacement Rubber Foot Feet Bottom Base Cover.

Compatible with models:

For Surface Laptop 3 (13.5-inch) series: 1867, 1868
For Surface Laptop 3 (15-inch) series: 1872, 1873
For Surface Laptop 4 (13.5-inch) series: 1950, 1951, 1958
For Surface Laptop 4 (15-inch) series: 1953, 1979
For Surface Laptop 5 (13.5-inch) series: 1950, 1951
For Surface Laptop 5 (15-inch) series: 1978