Callaway Wedge Opus Platinum Chrome DG STF Golf ClubThe OPUS wedge, which aims for the highest quality finish and spin thanks to a special manufacturing process and tungsten bar, also has another high grade sibling model, the OPUS PLATINUM wedge. While the shape, which was derived from careful listening to professional requests, the increased number of grooves, and the face treatment are all the same, there are of course some significant differences. One is the head manufacturing method, which uses MIM