: The punch tool set is made of stainless steel, which is durable and rust-resistant. The shell is made of aluminum, which is lightweight and strong. Perfect Design: The punch tool features an aluminum alloy body with a textured, non-slip surface. Dimensions: 7.1 x 0.71 x 0.71 inches; weight: 0.17 lb. It includes a three-section screw mechanism to activate the punch and draw enhancer. Punch hole diameter: 0.31 inch (8 mm). Multi-purpose: Creates a precise 0.31 inch (8 mm) opening for improved airflow. Includes dual rubber inserts for comfortable handling. The draw enhancer helps optimize airflow when needed. Easy to Carry and Great Gift Option: Compact and portable, ideal for business, outdoor, or home use. A thoughtful gift for men on occasions such as birthdays, Father’s Day, Christmas, anniversaries, or other holidays. Color: Silver Material: Metal Package Contents: 1 x Punch Tool Note: Color may vary slightly due to screen settings and lighting. Measurement tolerance: ±1–3 cm.