The pro-level Stands KS8291 Heavy-Duty Deluxe X ERGO-LOK Keyboard Stand is built and styled for demanding musicians. Super heavy-duty tubing and welded construction support up to 320 lb. double-X frame allows height adjustment from 27-39 in. and width adjustment from 11-30 in. Uses ERGO-LOK technology for ease of use. The ERGO-LOK system includes an ergonomic trigger, an internal rod mechanism, and a solid steel spring-loaded deadbolt assembly. Uses dual sheer disk plates and heavy-duty deadbolt for superior stability. Large-format keyboardsSupports up to 320 lb.1-1/8 in. tubingHeight adjusts from 27- 39 in. Width adjusts from 12- 32 in. ERGO-LOK systemWelded construction | KS8291 Heavy-Duty Deluxe X ERGO-LOK Keyboard Stand