The Insize Combination Set Clamp Screw is a precision replacement component designed to secure the heads and blades of combination squares, ensuring accurate and reliable measurement. Compatible with Insize 300mm and 600mm combination sets, this durable clamp screw allows tradespeople, engineers, and machinists to maintain the integrity and functionality of their tools. Manufactured to professional standards, it provides a secure, adjustable connection for repeatable, precise positioning during layout, marking, and inspection tasks.