80 Feet 14 Gauge Silver Color Tinned Copper Crafting Wire, Uninsulated Extractor bits are: M3-M4 #1

Extractor bits are: M3-M4 #1 (3/32" - 5/32")

Used in combination with a geoboard (sold separately)

Shock Proof – Special structure allows drop from 6 feet

Super cool looking "bat" wings will soar off the launch pad for specular flights

and arteries of the human brain

80 Feet 14 Gauge Silver Color Tinned Copper Crafting Wire, Uninsulated Extractor bits are: M3-M4 #180 Feet 14 Gauge solid tinned uninsulated copper wire Approximately 0. 064" diameter (1. 628mm) Silver color, takes on any color patina stain youre using Tinned coating makes soldering easier and helps prevent oxidation and corrosion Weight: 1 pound Ideal for general laboratory uses, low voltage hookups, or as a medium for a variety of art and craft projects such as suncatchers, jewelry, and decorative soldering