APC SRTRK3 mounting kit

APC SRTRK3. Weight: 8.49 lbs (3.85 kg), Width: 10.2" (260 mm), Depth: 7.48" (190 mm). Package width: 11.2" (285 mm), Package depth: 8.5" (216 mm), Package height: 4.65" (118 mm)