BD Cam Sale! 20-25% off Belmont, San Francisco, Sunnyvale Apr 302009 Want to stock up on Cams this season! Hurry in, Planet Granite is offering 20% off all Black Diamond C4s and 25% all Black Diamond C3s in stock! Sale ends May 15, so stock up now! No other discounts apply, limited to stock on hand. Sorry, the comment form is closed at this time.