115x Cobalt Steel Drill Bit Set Electric High Speed Drill Mount Spiral Set w/Box. If You Are a Remodeler, Then This Drill Bit Set Is Your Indispensable Work Assistant. It Is Constructed from High-quality 4241 Cobalt Steel to Ensure Its Durability. The Item Is Made of High-quality. Treatment Iron Box, Making It. To Wear and Rust. So It Can Remain Practical and Beautiful Without Frequent Replacement. The 118° Angle Point and Self-centering Design Reduce Lockout and Friction for Improved Self-centering, Drilling Efficiency, and Shorter Drilling Cycles, Giving You Better Control. The Equipped Iron Box with a Latch and Lightweight (6.6lbs)Make the Set Convenient for You to Carry and Store Without Taking up Too Much Space. Thanks to Its Simple Construction and Smooth Surface, You Can Wipe the Stains off Its Surface with a Piece of Damp Rag. When You Receive the Product, You Can Directly Install It into the Electric Drill Machine(Not Included) for Use, Which Is Very Convenient! With Its Practicality and Cost-effectiveness, You Can Give It As a Christmas, Thanksgiving or Housewarming Gift to Your Worker Friends, or Hobbyist Diy Friends. This Product Comes in Foam to. Normal Compression and Falls, Which Can Prevent Product Damage in Transit. To a Certain Extent. It Allows for Better Chip Evacuation and Makes Your Drilling Process Smoother. The Smooth, Burr-free Round Shank Allows You to Mount It on Your Drill. It Can Be Used for Tv Installation, Door and Window Installation, Light Fixture Installation, Hole and Slot Enlargement, Wall Demolition and Drilling, and Can Be Used for Drilling Iron, Stainless Steel, Wood, Plastic, Etc. It Is Suitable for Professional Woodworkers, Handymen, Construction Workers, or Those Who Simply Enjoy the Occasional House Project As a Relaxing Hobby. Color: Gold and Black. 4241 Cobalt Steel and Iron. Shank Type: Round Straight Shank. Mounting Type: Electric Drill Mount. Number of Pieces: 115. Net Weight: 3kg/6.6lbs. Bit Size: 1/16″, 5/64″, 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, 11/64″, 3/16″, 13/64″, 7/32″, 15/64″, 1/4″, 17/64″, 9/32″, 19/64″, 5/16″, 21/ 64″, 11/32″, 23/64″, 3/8″, 25/64″, 13/32″, 27/64″, 7/16″, 29/64″, 15/32″, 31/64″, 1/2 (in 1/64th Increments), 26 Pcs Letters Size: a to Z, 60 Pcs Numbered Sizes: #1 to #60. 15.510cm/15.356.13.9inch. Box Size: 35.8127cm/14.094.722.76inch. 1 Drill Bit Set. Please Note That This Product Is Not Suitable for Use on Brick Walls, Cement, Marble, Concrete and Stone. Please Note That This Product Does Not Include an Electric Drill. It Is Recommended to Keep the Drill Bit Vertical to Greatly Extend the Working Life. Please Allow the Slight Color Difference Caused by the Shooting Light and 1-3cm Error Due to Manual Measurement, and Make Sure You Do Not Mind Before Ordering. Feedback is very important to us. It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday.