Pneumatic Hole Punch for Small Holes (1–10 Mm) with Extended Feed Length Model: Standard Integrated Small-Hole Pneumatic Punching Machine Specifications: Available sizes: 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10 mm. Drive: Cylinder bore 32 mm, stroke 10/12 mm Cylinder stroke and overall dimensions may vary depending on the product batch. Power Source: Compressed air; normal operating pressure range: 0.3–1.0 MPa Structure: Feed chute depth approx. 80 mm; center-to-bottom feed distance 55 mm—the actual distance from the punch center to the bag edge is 55 mm.