Primos Hunting MagnaSwitch Multi Clamp Black. The Multi Clamp can be used in box blinds tree stands the window of a truck and almost anything 2 ? or smaller. The best part is.no more carrying long shooting sticks for situations that dont call for it. The Multi-Clamp is a go-anywhere support tool for your rifle optics or anything that can be used in the MagnaSwitch system. Specifications for Primos Hunting MagnaSwitch Multi Clamp: Manufacturer: Primos Hunting Color: Black Size: One Size Package Contents: Primos Hunting MagnaSwitch Multi Clamp Primos Hunting 65908: MagnaSwitch Multi Clamp Black