PHOTOS: Golf equipment at 2013 U.S. Open

  • Rory McIlroy plays Nike VR Pro Blade irons, but he practiced with a Nike VR Pro Combo 2-iron in the days leading up to the U.S. Open.
  • Rory McIlroy also tested a Mitsubishi Kura Kage prototype driver shaft in his Nike VR_S Covert driver.
  • Shawn Stefani, who finished tied for seventh in Memphis last week, uses Mizuno MP-69 irons, but also carries a Mizuno MP-68 3-iron that has been bent to 2-iron loft (18 degrees).
  • Matt Kuchar's Bridgestone J40 Cavity Back irons have a dark, nearly black finish.
  • Nick Watney practiced with a set that included Nike VR_S Forged and Nike VR Pro Combo irons.
  • Jerry Kelly uses Cleveland 588 Forged MB irons.
  • Hunter Mahan will try to win his first major championship this week using these Ping S56 irons.
  • In Tim Clark's bag you'll find Titleist 710 CB irons, along with a Titleist 712U 4-iron.
  • Paul Casey plays Nike VR Pro Combo irons, but also uses a VR_S Forged 3-iron.
  • Tiger Woods' Nike VR Pro Blade irons gleam in Tuesday morning's Pennsylvania sunshine.
  • Ian Poulter, who never shies away from colorful outfits, also has a colorful set of Cobra AMP Cell Pro irons.
  • Graeme McDowell uses Cleveland 588 RTX wedges and Srixon Forged Z-TX irons.
  • Luke Donald will try to win his first major championship using these Mizuno MP-64 irons at Merion.
  • Michael Campbell, who won the 2005 U.S. Open at Pinehurst, has these TaylorMade RocketBladez Tour irons in his bag this year.
  • Padraig Harrington had two 50- and 54-degree Wilson FG Tour TC wedges in his bag Tuesday. The three-time major winner uses one of each loft during practice rounds while the others are saved for tournament play.
  • Francesco Molinari has put new, orange Pirelli grips on his irons.
  • David Howell marks all of his TaylorMade Tour Preferred Forged MC irons with yardages that show how far the clubs will send the ball with various swings.
  • Stewart Cink has been using a set of Ping i20 irons this season, but at Merion he also has a TaylorMade RocketBladez Tour 3-iron.
  • Carl Pettersson is mixing Nike VR_S Forged long- and mid-irons (4-6) with VR Pro Combo short irons at the U.S. Open.
  • Peter Hanson plays TaylorMade Tour Preferred Forged MB irons and Titleist Vokey Design SM4 wedges.
  • Sergio Garcia's TaylorMade RocketBladez Tour irons and bull headcover got wet in Monday morning's rain.
  • Angel Cabrera uses Ping S56 irons, but also has a Ping i20 3-iron in his bag at Merion.
  • Branden Grace plays Callaway X Forged irons and X Forged wedges.
  • David Toms recently switched to a set of Cleveland 588 TC irons.
  • Brendan Steele has mixed a Titleist 712U 4-iron into his set of Titleist 712 MB irons.
  • Kevin Chappell's UCLA Bruin headcover watches over his Nike VR Pro 60-degree wedge.
  • Lee Westwood switched to Ping's i20 irons before the start of last season's U.S. Open.
  • Australia's John Senden has a TaylorMade RocketBladez 2-iron in his bag at the U.S. Open.
  • Morgan Hoffmann has his Titleist Vokey Design SM4 58-degree wedge stamped with "Stage 5 Clinger" and his 64-degree wedge stamped with "Lock It Up."
  • Each of these 23 Odyssey pipe patches represents a putt of longer than 10-feet that Sang-Moon Bae has made.