Transmitter Neck Strap Tray Brackets for the PowerBox Core Radio PB-8149Transmitter Neck Strap Tray Brackets for the PowerBox Core Radio PB 9999 These brackets can be mounted to the PowerBox Core TX for use without the Hand rests and allow the use of a twin hook neck strap or harness The folded brackets protect the stick stick switches in storage. incl. screws Nexus Models also offer the PowerBox, Revoc, Jeti & Seacraft Neck Strap plus Transmitter Muff