Unlimited Angles The Strobepro Variable Friction Magic Arm allows you to place strobes, led lights, cameras and other accessories in any position you can imagine. Add an optional Strobepro Super Clamp for the ultimate versatility. Easy To Use Just loosen the big tension knob and all the sections easily move. After you've positioned your gear, just tighten it down and you're ready to go. Heavy Duty Metal Construction The Strobepro Variable Friction Magic Arm is built from heavy-duty metal so it won't wear out. It will last for years and years. Holds 7 Pounds The solid construction allows you to hold up to seven pounds in any direction. Mount Almost Anything The dual 5/8" spigots on each end will hold standard strobes directly or you can add other accessories into the 1/4" or 3/8" female spigots. No Twisting Our flat-sided spigots prevent accessories from twisting. You never knew how something so simple could save you so much frustration. Specifications Weight 2.4 lbs / 1090 g Arm Length 21" / 53 cm Attachment (Bottom) 3/8″ thread female, 5/8″ (16mm) stud Attachment (Top) 1/4″ thread female, 5/8″ (16mm) stud Super Clamp Compatible Yes Material Aluminum Max Payload 6.6 lbs / 3 kg Includes -1 x Strobepro Variable Friction Magic Arm *Other items in photos are not included.