[SDS PLUS HAMMER DRILL BITS AND CHISEL SET]This comprehensive 13-piece set includes 8 concrete drill bits in 4 sizes (1/4", 1/3", 3/8", 1/2") and 5 chisels (tile, scraping, flat, pointed, U-groove), catering to a variety of drilling needs in home improvement and light commercial projects. [STURDY & DURABLE MATERIALS]Constructed from YG8C hard tungsten steel alloy tips and 40CR carbon steel blades, these rotary hammer drill bits and chisels undergo high-temperature quenching for enhanced hardness and wear resistance, making them ideal for tough materials like concrete, brick, and stone. [EFFICIENT OPERATION]Featuring a double-threaded, U-shaped chip groove, our drill bits ensure fast chip evacuation and high work efficiency. For optimal performance and extended life, secure the drill bit at a 90-degree angle and use water or coolant during operation. [NON-SLIP CONNECTION]Designed with precise grooves for strong anti-torsion performance, the handles offer high torque and large load-bearing capacity, ensuring a tight, non-slip connection. Suitable for light electric hammers with a round handle featuring 2 pits and 2 grooves. [SDS PLUS SHAFT COMPATIBILITY]Easily compatible with popular brands like Dewalt, Makita, Bosch, Milwaukee, and Hilti, our SDS Plus drill and chisel set requires no adapters and allows for quick changes, perfect for drilling, cutting, and chiseling tasks on concrete, granite, and brick walls. Color: Silver Gray Material: Metal Package Contents: 13Pcs SDS Plus Rotary Hammer Drill Bits and Chisel Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.