GM H7 Gimbal Mount for Select HELIX 7 SeriesThe GM H7 is a plastic gimbal mount for all HELIX 7 models products except HELIX 7 G4N models . This includes the gimbal mount, knobs and mounting hardware.Compatible Devices:All HELIX 7 models, except HELIX 7 G4N modelsWARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Type: Mounting Brackets Box Dimensions: 4"H x 8"W x 9"L WT: 0.7 lbs UPC: 082324047190