ERSATILE SHAPE. SOLID PERFORMANCE. Ultra-light construction. State-of-the-art components. And a symmetrical shape with interchangeable parts that let you adjust its size. The M42 is designed to be the perfect fit for any gamer. 5 EDITIONS. Black, White, Retro, Miami Blue and Pink. The M42 is a part of Xtrfy’s Project 4 and comes in 5 different editions, allowing you to match it with mousepads, mouse bungees and keyboards in the same colorways. Pick a color and build your perfect setup. ADJUSTABLE SYMMETRICAL SHAPE. Palm, claw or fingertip grip? With its ambidextrous shape and interchangeable parts, the M42 is designed for a comfortable fit – no matter the size of your hand or the style of your grip.