The Happybuy Ch-60 Hydraulic Hole Punching Tool Is A 31T Hole Digger Force There is a superior CH-60 hydraulic hole puncher. It is a split hole puncher. It is used to punch metal plates, such as copper, aluminum, iron, and steel, perfect for the electricity industry, construction, etc. It is durable and solid with high hardness and strength. This tool comes without a pump, so you should prepare yourself. Product Features Excellent Punching: Punching force: 31T/310KN; Depth of throat: 3.74"/95 mm. The punch dies are made of high carbon tungsten steel and not easy to wear off. The max thickness of iron plate: 1/10" to 3/10" (3-8 mm), the max thickness of copper/aluminum bar: 1/10" to 2/5"(3-10 mm), the max thickness of stainless steel: 1/10" to 1/5"(3-6 mm). 4 Pairs of Dies: The hydraulic puncher comes with four pairs of punching dies of 3/8"(?10.5 mm), 1/2"(?13.8 mm), 5/8"(?17.5 mm), 3/4"(?20.5 mm). Different dies are designed for precise hole punching. It also features accurate positioning without offset. Durable Steel Structure: This hydraulic hole punching tool features high strength and good toughness with premium alloy steel construction. And the heavy-duty metal hole punch tool needs to connect with a hydraulic pump to get ideal performance (The pump is not included). The plastic cap protects the punching tool from dust. Compact Size Portable: our hole puncher with compact size is space-saving. A thickened and rubberized handle, increasing the friction, gives you a comfortable and anti-slip using experience. It is suitable for long-lasting use. Wide Application: The split hole puncher is widely applied in punching metal plates, including iron, aluminum, copper, stainless steel, etc. It is popular in the electricity industry, construction, etc. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!