Home > Metrology > Metrology Products > Precision Measuring Tools > Machinists' Precision Shop Tools > Punches And Sets / S816PC 57078 Machinists' Precision Shop Tools / Punches And Sets S816PC Prick Punch 57078 Other similar products The Starrett 816 Prick Punch is used when precise positioning of a point or an intersection of lines is required. The point is carefully ground to the correct taper, which is sharper than the normal center punch. This allows exact placement of the point, providing sharp impressions. The punch is properly hardened, tempered, and nicely finished. SET: One each of Nos. 816A/B/D and Nos. 117AA/B Features Specifications Contact Starrett Features Precision Centered Tips for Accuracy Knurled Grip for secure holding For precise positioning of a point or intersecting of lines Points are carefully ground to the correct taper, which is sharper than the normal center punch Hardened and Tempered Made of specially selected steel Plastic Case Specifications Length (in): 4" Length (mm): 100mm Material: Steel Set Quantity: 5 Sizes Included: 1/16",5/64",1/8",5/32"