The 332A three star micro tip straight stainless steel probe has 1 mil tip, which is the smallest available. The overall length is 6.5". Product Categories: Small Hand Tools - Probes, Scribes, Dotting Pens Body Width x Body Height: n/a x n/a Tip Angle: Straight OAL: 6.5" (162.50mm) Weight: 0.6 Ounces Max per Carton: 12 Country of Origin: Pakistan