Police are appealing for witnesses after a 20ft container on a farm in Selsfield Road, Ardingly was broken in to.
The break in is believed to have happened between 5pm on Monday, March 30 and 7am on Tuesday, March 31.
A spokesman for Sussex Police said many items of tree surgery equipment were stolen.
• 4x STIHL petrol hedge trimmers (White and Orange) value £2,300.
• 6x STIHL petrol chainsaws (White and Orange) value £3,700
• 1x Husquvarna petrol chainsaw (orange) value £1,000
• 1x STIHL back pack blower value £400
• 1x STIHL pole chainsaws value £600
• 1x Gelert bag 40 litres in black containing harnesses, ropes, karabiners and climbing spikes value £1,000
• 1x Aluminium tree climbing spike vale £1,000
If you have any information regarding this incident or are offered any of these items for sale please contact Sussex Police online via firstname.lastname@example.org or call 101 quoting serial 0227 of 31/03/15.