Sonisphere Festival 2011 tickets have gone on sale this morning (Friday).
The event, which is to return to Knebworth at the earlier dates of 8-10 July, will have appearances from the likes of Slipknot and Biffy Clyro.
Sonisphere tickets are priced at £175 for a four-day camping ticket, £165 for a three-day camping ticket and £140 for a weekend ticket without camping.
Fans are also able to buy tickets on a deposit scheme and they can secure a pass for £50 with the remainder of the balance to be paid by 1 March 2011.
VIP, campervan, car parking passes and lockers are also available.