Adjustable telescoping rack shelf shall be Hammond Manufacturing part number ADSV____BK. Shelf shall offer a telescoping depth of ___________ (25" to 36" or 36" to 42"). Overall width shall be 19” (483 mm). Usable width shall increase from 17.19” (437 mm) to the usable width of the enclosure when the shelf is flipped before being installed. 16-gauge steel construction provides a weight capacity of 350 lbs (450 lbs with part number ADSB support bar installed). Shelf shall be vented for superior equipment cooling. Slots provided for anchoring equipment with straps up to 1.50” (32 mm) wide. Shelf shall be finished in a durable black powder coat. Shelf shall be REACH compliant. Shelf shall be RoHS EU Directive 2011/65/EU compliant. Shelf shall be manufactured by an ISO 9001 certified company. Adjustable telescoping rack shelf shall be warrantied to be free from defects in material or workmanship under normal use and conditions for a period of one year following the purchase date.