Features No Lubrication Needed: Aviation lubrication is not required, allowing for hassle-free maintenance and ensuring a long service life with special high-performance grease Easy Tool-Free Removal: The innovative design of the inner and outer bearing rings allows for quick and easy removal without the need for special tools, saving you time and effort Compact & Quiet Operation: This small and compact pneumatic turbine vibrator operates at very low noise levels, making it ideal for various applications without disruptive sound Durable Aluminum Alloy: Constructed from lightweight and resistant aluminum alloy, this air turbine oscillator withstands harsh environments, ensuring longevity and reliability Versatile Industrial Use: Perfect for a range of applications including vibrating tables, filter screens, silo emptying, and bulk material compaction, enhancing efficiency in your operations Features: 1、Hard carbide tip for concrete, with high hardn. 2、Drilling speed is twice that of standard masonry drills. 3、With a slot storage box, easy to carry and use. 4、Used for drilling holes in bricks, cinder blocks and tiles. 5、Profional drill bits, suitable for construction, industrial or DIY. Specification: Description: The masonry drill bit has hard carbide tip, making it used for drilling holes in concrete, brick, stone, etc. It is mainly used for construction, industrial or DIY. Feature: Hard carbide tip for concrete, with high hardn. Drilling speed is twice that of standard masonry drills. With a slot storage box, convenient to carry and use. Used for drilling holes in bricks, cinder blocks and tiles. Profional drill bits, suitable for construction, industrial or DIY. Specification: Material: carbide Quantity: 15pcs Color: silver Weight: Approx. 427g Bits Size and Quantity: m 3pcs 4mm 3pcs 5mm 3pcs 6mm 2pcs 8mm 2pcs 10mm 2pcs Package Includes: 15 x masonry drill bits 1 x blue plastic box Note: Due to the difference between the monitors and light effect, the picture may not reflect the actual color of the item. Thanks for your understanding. Package List