A:New locking mechanism for reliable safe operation; without the need of safety pin; Easy to adjust the height of the speaker cabinet by one hand.

B:Air cushion mechanism to prevent from the  lighting stands falling quickly and meanwhile ensure the safe operation; 

Specification:

Height: 1900-3500mm

Arm Length:1500-4000mm

Material:Alu+Nyloon

Master Carton:370x240x1540mm(1set)

Load Capacity:100kg

Shipping package:350x90x1500mm(DA010-1)

                              315x130x1310mm(SA102)