| Specification - Weight: 0.30kg (0.66Ibs) - Loading Weight: 200kg (440Ibs) - Material: SteelZinc Plated Steel + Aluminum - With 16mm Baby Stud How to fasten the strut channel adapter: 1. Insert the adapter into the strut channel and rotate 90 degree. 2. Spin the large hex nut to lock into the channel.