This set of Universal Transfer Center Aligners features precision-engineered punch-hardened pins, designed for accurate alignment and marking of workpieces. With a range of 1/4" to 1", these aligners are ideal for use in various machining and assembly applications. The hardened pins ensure durability and long-lasting performance, even under heavy-duty conditions. Whether for transferring drill holes or aligning components, this versatile tool set is a must-have for any workshop looking to achieve precision and consistency in their work. Perfect for machinists, fabricators, and DIY enthusiasts alike.