What items do i need to flash/mod my xbox 360 drive?

Hello i have a xbox 360 with a lite on drive(7 series) and was wondering what i need to flash my drive. So if anyone has done this before or know s about flashing please help me. I have been looking at this ebay item and i dont know if it has everything i need.(http://cgi.ebay.com/Connectivity-Kit-V3-CK3-USB-Liteon-solderless-Probe-/280573030369?pt=LH_DefaultDomain_0&hash=item415374afe1#ht_2532wt_932). Any help would be appreciated thanks