The Pixus ejector handles are rugged and reliable.  Our most common handle the "Type IV" is used on many embedded computing boards.  Using metal vs. plastic at key contact points, the Rittal brand handle from Pixus is much more reliable and long-lasting.  

Some of the common Pixus / Rittal part numbers include 3686903, 3686902, 3686770, 3686771, 3686905, 3686906, 3688791, 9922264, 9922505, 9922506, 9922508, and 9922509.