Kensington Technology Group (KTG) designs computer accessories that enable today's computer user to work smarter, more comfortably and more productively. Kensington continues to be the cross-category computer accessory leader by leveraging its experience and understanding of changing work styles and trends, its broad product line, strong brand equity and its global distribution strength.¤¤Featuring non-skid foot surface and base, the SoleRest keeps legs elevated for improved posture and circulation. You can easily alter height 4.5" to 6.5" and tilt 10° to 25° up to six different positions. No tools are required.