Hornady - Steel Dial Caliper No. 1 The positively charged ions search

The positively charged ions search out the negatively charged copper and copper oxide molecules

Another method is to measure the neck thickness with a ball micrometer or Redding’s Case Neck Gauge

To Hold Straight Walled Pistol Cases for Trimming

87″ Working Height (no force pack) 0 – 7

Hornady - Steel Dial Caliper No. 1 The positively charged ions searchStainless steel construction with shock resistant dial is accurate to + 0. 001". Four way measurement capability: inside, outside, depth and step. Slide may be locked in any position for precise measurements. Thumb wheel aids in easy opening and closing. Includes plastic storage case. (inches)