Photography Video Studio Boom Stand Material: Premium Heavy Duty Aluminum Alloy Construction Solid Safety 3 Legs Stages Easy Quick-release Lever System - Precise height control available Light Weight: Easy to Move Indutrial Standard Mounting Tip - Works with most of Flash/Strobe Light, Umbrella, Reflectors Solid Locking System for Light Safety Length adjustable Min 30" - Max 86.5" with footprint Extendable arm extends to 74.5" with supporting up to 5 Lbs. Photography Boom Light Stand Sand Bag Saddle Bag Light Weight , Versatile and Compact - Net Weight: 8 Oz. - Size: 6 x 6.5 ft. Strong and Durable by Double Layer - Self Stand Alone Bag - Strengthened by PVC Pad inside - Can be filled, emptied, and refilled as many as you wish Convenient Pre-measured Weight Gradation - Measured by Sand Simply hook it to a light boom arm