Handbook volume : GM54311
Adjustable size : right back just as before 105-115mm, Front 125-135mm
Them includes : 4*1 White Silicone O-Ring-4pcs 4*2.5 White Silicone O-Ring-4pcs M4*2.3*11 Screw Shaft-4pcs Product major function & use: - Universal move shaft cross brain design improves the steering views ergo the crawling views are notably increased - White silicone o-ring is an extremely step-by-step add-on towards product to get rid of direct touch from brain in addition to the body. - The shaft mind is very calculated but nevertheless have a pin locked in order to avoid free or falter during crawling along.