Wiring Pencil Wire (Bobbins).  Roadrunner® Wiring Pencil Wire in UK  supplied on plastic bobbins or wire spools as refills.
Two types of prototyping spooled Wiring Pencil Wire in UK:

• • Insulated Solderable enamel wire or self fluxing wire (QSE) – in two sizes – 0.15mm dia. (38swg) and 0.19mm dia. (36 swg). The spools of wire are supplied in a variety of colours for colour coding and to aid identification.
  • Non-insulated Tinned Copper Wire (TCW) – 0.25mm dia. (33swg).

Applications for the Roadrunner® prototyping wiring pencil wire, which is coloured solderable enamel wire or self fluxing wire, include:

• • Discrete components, logic, microprocessors, Surface Mount Technology (SMT) circuits, PCB track repair.
  • The coloured Solderable Enamel Wire conforms to IEC 60317-0-1.Shorting links, PCB track repair and modifications.
    Applications for the Roadrunner tinned copper wire (TCW), which is uninsulated, include:
    • Entry level discrete component circuit wiring, and Surface Mount Technology (SMT) circuits, shorting links, pcb track repair and modifications.