Rannb Hole Saw Blade with Arbor for Steel Plywood 71mm/2.8" Cutting Dia

Dimension Cutting Dia:71mm/2.8" Arbor Length:116mm/4.6" Arbor Shank Dia: 11mm/7/16” Package Content 1 x Hole Saw + 1 x Heavy Duty Arbor Please Note 1. Hole saw may become overheated and get damaged or even burned up due to fast rotary friction, we suggest customers to use coolant to keep the hole saw cold during usage. 2. Keep the drill be stable when drilling, otherwise the centre bit may get snapped due to excessive shaking. 3. Start drilling with a slow drill rotary speed, or the centre bit may be shattered on first use. ? Our Guarantee ? 1. This item is fulfilled by Amazon, which guarantees fast delivery. 2. If the item you receive has any problem, please don't worry. Refund and replacement are guaranteed within 30 days from the date of receipt of shipment. ? Welcome to Contact Us ? Your satisfation is our first priority. Rannb aims to provide our customers a happy shopping experience and completed After Sale Service. If you have any question to product, please feel free to contact us.