HomeSlides for Electronic Enclosures / Rack Mounting 4 Products 2807 – 1U to 2U chassis, loads up to 100 lbs. (45 kg) per pair, 2" (51 mm) over travel, lock-out feature, latch disconnect, attached rear bracket provides up to 2" of adjustment. 2907 –1U to 4U chassis, loads up to 115 lbs. (52 kg) load capacity, 2" (51 mm) over travel, lock-out feature, lever disconnect, adjustable brackets included. 2907WB –1U to 4U chassis, 120-lb. (55 kg) load capacity per pair, 2" (51 mm) over travel, lock-out feature, lever disconnect, brackets compatible with .63" (16 mm) and .50" (13 mm) pitch patterns and dual .63" (16 mm) patterns. 3507 – 4U to 8U chassis, loads up to 200 lbs. (91 kg) per pair, 2" (51 mm) over travel, lock-out feature, lever disconnect.