About Us KINJOEK is devoted to developing, designing, and manufacturing superior and durable chisels. KINJOEK places a high priority on the quality of the products. These chisels are made of the carefully selected steel, which is wear-resistant and durable to make your drilling operation smoother Why Choose KINJOEK Chisels? * Made of durable 40RC steel * High-temperature process * Integral stamping technology * Round handle design for impact drill * The groove designed to prevent the skid * A variety of types are available Exquisite Workmanship With the exquisite workmanship, the head of this drill bit is smooth, sharp and durable, which makes your drilling operation smoother Easy to Store In addition to the 6-piece hammer drill bits, you will also get 2 plastic box for easy storage of these SDS hammer drill bits, which is more convenient to use Wide Application These chisels are compatible with impact drills, ideal for grooving and shoveling on concrete bricks. It is widely used in home decoration, engineering gravel, etc. After-Sales Service You will get a 30-day warranty and customer support. If you have any questions about the chisels, please feel free to contact us Tips 1. Do not use it on metal objects such as steel bars 2. The product is sharp. Please keep it out of reach of children Specifications Material:High strength 40RC steel Suitable for SDS-PLUS Rotary Hammer Pointed chisel size:9.84 inches (250mm) Flat chisel size:0.82 x 9.84 inches (21 x 250mm) Widened chisel size:1.57 x 9.84 inches (40 x 250mm) Package Includes 2 x Pointed chisels 2 x Flat chisels 2 x Wide chisels 2 x Storage boxesAFTER SALE GAURANTEE - For this chisel set, you will get a 30-day warranty and customer support. If there are any quality problems for 30 days, please feel free to contact us, and we will give you a full refund. WIDE APPLICABILITY - These rotary hammer chisels are suitable for demolition of walls, excavation, and removal of sharp objects. These chisels can be used for concrete, wall tiles, cement walls, stone, etc. COMPLETE SET - You will get 2 pointed chisels, flat chisels, and wide chisels. These SDS plus chisels adopt the universal round handle and groove design to prevent chisel from falling and slipping effectively. HEAT TREATMENT PROCESS - This SDS hammer drill bit set adopts heat treatment process and integral stamping technology to improves the toughness and hardness, and strengthen the impact force. SUPERIOR MATERIAL - Different from ordinary carbon steel used in regular hammer drill bits, this impact drill bit set is made of superior 40cr steel, which effectively improves the wear resistance and durability.Blade Material: Metal, Carbon Steel, Alloy Steel. Handle Material: Plastic. Brand: KINJOEK. Date First Available: August 20, 2019. Best Sellers Rank: #521,023 in Tools & Home Improvement. Customer Reviews: 4.6 4.6 out of 5 stars 84 ratings 4.6 out of 5 stars. : B07WSNPMFC. Batteries Required?: ?No. Batteries Included?: ?No. Handle Material: ?Plastic. Item Package Quantity: ?6. Material: ?40RC steel. Package Dimensions: ?10.67 x 3.54 x 1.93 inches. Item Weight: ?3.32 pounds. Manufacturer: ?KINJOEK.