Keyboard Combo Solution, Designed for straight edge work surfaces: ESI Ergo SOLUTION1 (1 Keyboard Combo) Combo AA260 Articulating Arm With PL003-25 Cut Corner Platform. AA260 Articulating Arm, 17" glide track, spring assisted, Height Adjustment Range 6.25" High, 1.25" above track, below track 5". PL003-25 Keyboard Platform, 25" rectangle platform, Accommodates left or righthanded users. All Combo Solutions include a keyboard platform, articulating arm, leatherette-covered gel palm rest(s), nonslip pads, mouse pad, mouse guards, and cord management clips at no extra charge. One part number is all you need for a complete system. Keyboard Combo Solution, Designed for straight edge work surfaces: ESI Ergo SOLUTION1.