SDS Plus Drill Bits Set, Lytool 10Pcs Rotary Hammer Bits, Concrete Drill Bit Set,Carbide Bit Tipped for Masonry Ceramic Tile Block Brick Marble Stone, Impact Bit Set(3/16'',1/4'',5/16'',3/8",1/2") - CD29628

• Lytool 10-piece SDS Plus Masonry Drill Set: in different sizes (3/16'', 1/4'', 5/16'', 3/8", 1/2") and lengths (110, 160, 210 mm), meet the needs of your different places Precise & Fast Hole Opening: sharp cross 4-blade hammer drill for smooth running and low-vibration, precise work Fast & Effective Chip Removal: double-threaded U-shaped chip removal recess is conductive to efficient operation, fast chip removal and improved work efficiency Wear-resistant & Durable: Standard SDS plus drill bits sets with robust heads and high-quality tungsten carbide bits for durability Suitable for Masonry and Construction Work: The bits are used with the electric hammer drill bit and impact drill bit, easy to use and carry. Can be used for concrete,ceramic tile, brick walls, masonry, stone, granite, cement, etc. Just unpacked and found That the drill bit set was coated with oil to prevent it during transportation Rusty, wipe it before use Note : when drilling on tiles, please do not use a impac drill