The On-Stage Stands KS8290X Lok-Tight Pro Single-X ERGO-LOK keyboard stand is a top-of-the-line single-X stand built for pro-level work with super heavy-duty tubing and welded construction. It can support up to 275 pounds with a height adjustment from 27"–38" and width adjustment from 12"–32".

The KS8290X uses ERGO-LOK technology for ease of use. The ERGO-LOK system includes an ergonomic trigger, an internal rod mechanis  and a solid steel spring-loaded dead bolt assembly. The On-Stage Stands single-X keyboard stand uses dual sheer disk plates and heavy-duty dead bolt for superior stability.