Husky 42" deep x 240" high Add-on Warehouse Pallet Racking features 2 teardrop punches side by side on 2" centers. Husky Beams are adjustable every 2". Compatible with most other manufacturers' teardrop pattern.  The teardrop pattern is an industry standard and accepts most teardrop style beams. Beams feature the patented Bowlock® safety clip. Bowlock® cannot be sprung or removed without first removing the beam and requires no special tools. Standard colors are green uprights with orange beams.  Pallet racking are used for storing bulk loads that traditionally take up floor space and are loaded with forklifts. Use add-on units to complete the row.