I bought the BLADE BALANCER made with Carbon Fiber + Alloy & Aluminum - for Advanced 3D R/C Helicopters from them and their web site say that it come with ( included adapters) (2.5 mm, 3 mm, 4 mm & 5 mm) to center two blades for balancing. After calling , emailing and getting mindless online help from them a week later i find out their web site lies and they made a mistake it doesn't come with any adapters. Isn't that called in business law bait and switch? Also Raidentech.com is also Xheli.com.... if you look up at the phone number to call them it's both the same on both sites.