Hisonic Signature Series 7167 Double Duty Boom Arm Cymbal Stand Offers double braced legs, three sections, slim-line pipe joints, Solid Boom Arm Assembly Boom arm is knurled and 1/2 inch thick for slip proof dependability and strength The Uni-Lock tilter features an internal "brake drum" type locking system Slim-line pipe joints with dual internal nylon sleeves for perfect vertical alignment of the tubes This extendable brand new stand collapses to a compact size so it packs easy and is convenient to transport