Type 1Type 1 Flex cables are black and fitted with a center negative 5,5/2,1mm DC plug. Its the most common type also called the BOSS standard. For the majority of applications, we offer this Flex cable type with angled (L-shaped) plug and a 10mm barrel. These are available with cable lengths 15, 30, 50 and 80cm.1050-LN: CIOKS Flex 1 50cm (20) with 5,5/2,1mm centre negative angled 12mm barrel DC plug (black)Balanced power on all models5-year warrantyFailure rate is less than 1:1000Handmade and designed in EuropeIsolated outputs on all models