About Murtenze Murtenze is a trusted brand committed to delivering high-quality products.We strive for excellence and provide customers worldwide with reliable hardware solutions that exceed expectations. Specification - Product Name:Reduced Shank Twist Drill Bits - Material:High Speed Steel 4341 - Size:14.5mm Package Includes 14.5mm Reduced Shank Twist Drill Bits with 10mm (3/8") Shank Warmly Tips 1. Colors may vary due to different displays. 2. Please allow for a 1-2mm manual measurement error. 3. Please choose the right size before bidding.