SmallRig RA-S280A Air-cushioned Light Stand with Arm 3737 1. Safety air cushion for shock-absorbing. 2. Free to adjust the height from 94 cm to 280cm. 3. Made of high-strength, durable metals. 4. Quick and efficient on/off the flip lock. 5. Flat stainless steel 1/4"-20 threaded adapter for higher compatibility and securer accessory connection.