宽度为300mm（基地）60 毫米 （顶管与管）
I bought this landing gear for my Q450.
It is not perfect but for the price, it is more than recommended.
I used it for my first flight and it prevented my quadcopter to break multiple times.
Here is a post where I describe the list of components of my quadcopter: http://xavier.smart-it.be/2015/06/my-first-drone-is-a-q450-quadcopter-with-pixhawk.html?m=1This is a great piece of kit.Hope to fit it to myX525As noted by others the screw fittings are bad, and takes along time to fit, but it does go together. the weight is very wrong, they state 230gr, but it is 305gr.Quality is good, BUT the brass screws and screw threads are absolutely horrible to thread in.... it took me over 2 hours JUST TO ASSEMBLE IT! I had to carve out some of the plastic that was over each brass insert and press hard on the brass eyelets with a tiny allen key and rotate my body around the frame 360 degrees or more while keeping it perfectly straight or it would thread in wrong. When I finally got it together it was fine, I broke one screw eyelet in the process though...
The frame is quite solid now, I bolted it to my hexacopter with some spare mechano nuts and bolts.The design is slightly fragileWill not fit the ack gimbal! Show it as accessory, but clearly is one inch too short to clear. My mistake. Gimbal sits@ 230 mm high, and the landing is WITH FOAM 205mm high. Very very good quality. Would recommendFantastic landing gear. I have these mounted to an x550 quad. I had to make some mounting rails for them to fit, but a small effort for a big gain. The trays that these skids come with provide more than enough room for cameras, gimbals, batteries, buzzers, lights and whatever else you might fee the need to stick on there. High quality, low price, great stuff!The brass inserts in the plastic eyelets were a bit dodgy but it went together ok. Screw mounts matched the HK550 Hex frame no problem, using a 4S 4000 battery and gopro seems to handle the weight no problem. pretty happy with it for $18 bucks :)great multifunction landing gear went easy onto my dj550 lots of mounting options for cameras , etc keep up the great productsgreat landing gear!! I just put it on my octocopter and it looks awesome!! it does a really good job with the vibration! perfect for my gopro!