🔩 Thread Your Way to Perfection! Crafted from heat-treated 45# steel and alloy steel. Adjustable tap wrench for a secure grip. Ideal for automotive, plumbing, and machinery tasks. Includes screw pitch gauge for accurate threading. Clearly marked sizes for quick identification. 40 pieces M3 ~ M12 sizes Durable steel The Tap and Die Set is a comprehensive 40-piece tool kit designed for threading jobs, featuring clearly marked sizes, an adjustable tap wrench, a screw pitch gauge, and durable materials for long-lasting performance across various applications.