This is a vintage Cobra Unibit step bit for drilling holes between 3/16" and 1/2". It is New Old Stock, never used, still in the package. Made in Tuscon, Arizona USA ๐บ๐ธ
Vintage Cobra Unibit Variable 3/16" to 1/2" Bit NOS USA ๐บ๐ธ
$6.00Price
Vintage Cobra Unibit Variable 3/16" to 1/2" Bit USA ๐บ๐ธ