Leofoto Kestrel Weather Meter AM-7 Magic Arm/MC-60 Clamp/GMC-01 Clamp Set Black. It allows the kestrel to be mounted well above even the largest spotting scopes. This is so that the spotting scope does not interfere with the wind reading. Specifications for Leofoto Kestrel Weather Meter AM-7 Magic Arm/MC-60 Clamp/GMC-01 Clamp Set: Manufacturer: Leofoto Color: Black Features of Leofoto Kestrel Weather Meter AM-7 Magic Arm/MC-60 Clamp/GMC-01 Clamp Set Aluminum CNC Machining Package Contents: Leofoto Kestrel Weather Meter AM-7 Magic Arm/MC-60 Clamp/GMC-01 Clamp Set Leofoto AM-7+MC-60+GMC-01: Kestrel Weather Meter AM-7 Magic Arm/MC-60 Clamp/GMC-01 Clamp Set Black