Model Number: HW31C-(Jan-5) Brand Name: Shineway Key Specifications/Special Features: Features:Good formability, long lifespan and supper lighting efficiencySurface of electrolytic polished tungsten wire smooth, clean, gray silver with metal lusterMainly applied for making various electron tubes, H-series auto, halogen and other special lampsClassification types:

Normal: HW91, HW71, HW61 and HW31 (electrolytic cleaned and polished)

Straightened: HW91, HW71, HW61 (electrolytic cleaned, polished and straightened)

Customized sizes are accepted