 His rackets had weight added to bring them close to 400 g, but the frame proper was a production model manufactured at a Wilson factory on the Caribbean island of St. Vincent.The handles were custom-built.Post-retirement, Sampras has used a slightly modified Pro Staff Tour 90 and, from 2008, a new version of the original Pro Staff, produced with in-between head size of 88 square inches and heavier weight at 349 grams unstrung.