Automatic Centre Punch Steel Spring Loaded Marking Holes Hand Tool(Blue, 501 Original

Features:Simple and accurate.Knurled Steel treatment to prevent slipping.The precise starting point for steel and other solid materials is given.Allows you to use one hand easily working. Mark will prevent from slipping before drilling.Automatic spring loading and then release the cycle by force to create the center punch (without a hammer).The spring pressure can adjust the knurling through simple rotation.Automatic design of clean and accurate boxing steel wood and plastic.Specifications:Material: Knurled Steel+ alloy steelColor: blueHardness: HRC58°~65°Diameter: about 12.7 mm/0.5\"Length: about 130 mm/5.12\"Notes:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3mm measuring deviation due to manual measurement.