S176 BK Aluminium tripod speaker/lighting stand w/reversible 35/38mm tube. Sturdy aluminum tripod speaker stand with 35/38 mm reversible tube. Strong lightweight, portable design. The polycarbonate leg joint found on the S/171 provides a neat and elegant look to the stand, while ensuring maximum stability. Available in anodized black finish, with snap lock holder on height adjustment collar which prevents the safety pin from scratching the tubes finish during transport.