also available in 1/2"-13 thread....... see item E3-A $4.00 Note: you can save money by buying a standard E-3A pencil as seen in the regular pencil zinc category, but it only fits with an E-3 hex end plug. The E-3A pencils are not interchangeable with those sold in this Caterpillar category, as the male thread on the pencils are different.
