The K&M 21120 is a two-piece telescopic boom arm with 5/8" thread. Silent, scratch-less swivel joint for adjustment of angle, easy tightening with large wing nut.
- Boom arm: 2-piece telescopic design
- Boom arm length: from 21.654 to 37.402"
- Clamping: wing nut
- Material: steel
- Threaded connector: 5/8"
- Type: black
- Weight: 1.652 lbs