RoHS is the abbreviation for The Restriction of the use of certain Hazardous Substances in Electrical and Electronic Equipment.  TWIG products do not contain hazardous substances mentioned in the RoHS 2 Directive 2011/65/EU.

Restrictions on the use of certain hazardous substances in electrical and electronic equipment was introduced with RoHS1 Directive 2002/95/EC.

The RoHS 2 Directive 2011/65/EU extends the scope to all electronic and electrical equipment gradually including  cables and spare parts.