Mount this Manfrotto/Avenger D650 Boom Arm to the top of a heavy-duty stand to hold a small or medium light fixture with umbrella or softbox. Its minimum extension is 163 cm and its maximum extension is 300 cm. The steel arm has a chrome-plated finish and includes a 6.8 kg counterweight. Maximum payload is 40 kg for 163 cm length and 10 kg for 300 cm. It equipped with 1 1/8" receiver and 5/8" Pin Combo for mounting lighting fixtures or accessories.