Atlas Sound MS43E Super-stable straight stand The Atlas Sound Model MS43E includes a three-section tube assembly with two wearproof clutches for 25"-65" vertical height adjustment and high stability Unit features a 12" diameter, low-profile cast iron base The Atlas Sound Model MS43E includes a three-section tube assembly with two wearproof clutches for 25"-65" vertical height adjustment and high stability Unit features a 12" diameter, low-profile cast iron base