Rec-mounts&reg; Picatinny Rail Mount Type2 for Sony Action cam HDR-AZ1 HDR-AS100V HDR-AS30V HDR-AS20[REC-B35-L-CN] for Sony Action cam FDR-X1000V HDR-AS200VHDR-AZ1 HDR-AS100V HDR-AS30V HDR-AS20 or 1/4 UNC 20 Camera for Left and right Type (Model numberREC-B35-L-CN)Up and down(high and low)Type (Model numberREC-B35-S-CN) Material Aluminum(REC-B35) Adapter GP-CN-A2 (Aluminum&Razin) facebook https://www.facebook.com/recmounts catarog(PDF) http://www.an-y.com/img/rec-mount-catalog2.pdf