RoHS stands for Restriction of Hazardous Substances. RoHS, also known as Directive 2002/95/EC, originated in the European Union and restricts the use of specific hazardous materials found in electrical and electronic products (known as EEE). All applicable products in the EU market after July 1, 2006 must pass RoHS compliance. The substances banned under RoHS are lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (CrVI), polybrominated biphenyls (PBB), polybrominated diphenyl ethers (PBDE), and four different phthalates (DEHP, BBP, BBP, DIBP). RoHS StarTech.com CBMWWD1911O, White, ABS synthetics, 0.965" (24.5 mm), 0.945" (24 mm), 0.0882 oz (2.5 g), 5.91" (150 mm) StarTech.com CBMWWD1911O. Product color: White, Material: ABS synthetics. Width: 0.965" (24.5 mm), Height: 0.945" (24 mm), Weight: 0.0882 oz (2.5 g). Package width: 7.48" (190 mm), Package height: 0.787" (20 mm), Package weight: 1.76 oz (50 g). Quantity per pack: 20 pc(s), Master (outer) case length: 14.6" (371 mm), Master (outer) case width: 17.6" (446 mm)