[for Various Boom Diameters] The adjustable boom clamp can fix microphone booms 0.8 inch-1.8 inch(20-45mm) in diameter, up to 17.6lb (8kg) in weight [Vinyl Coating and Rubber Pads] Vinyl coated yoke and nonslip rubber pads on the clamp protect against scratches and add stability [ and Build] Robust and black anodized aluminum alloy is perfect for outdoor filmmaking, interviewing, and sound recording. Foldable for easy storage and transportation Features: Directly secure on any light stand with a 5 or 8 inch stud for handsfree boom operation. 15 downward and 30 upward tilt for capturing clear sound at optimal angles. Vinyl coated yoke and nonslip rubber pads protect against scratches and add stability. Solid yet aluminum alloy suits outdoor filmmaking, interviewing, and sound recording. Foldable for ease of storage and transportation. Specifications Model: CM-2 Tilt Angles: -15 or and30 Colour: Black Material: Aluminum Alloy Package Contents: 1 x Mic Boom Pole Support Holder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.