Feature: 1. SPECIFICATIONS: Countersink drill bit set, with 5 different specifications of 2.8 x 8mm, 3.0 x 8mm, 3.2 x 8mm, 3.5 x 8mm, 4.0 x 8mm, to meet more needs. 2. EASY TO USE: The wood countersink bit can be used with limiter, which is easy to adjust, suitable for concealed screws and flush screws. 3. CARBON STEEL: The countersink drill bit is made of excellent carbon steel, with high hardness, impact and wear resistance, has a long service life. 4. APPLICABLE WOOD: Suitable for countersunk hole and chamfering, for pine, sandalwood, composite board, plastic board, density board, solid wood, etc. 5. OTHER PARTS: With a hex wrench and 2 accessories, easy to operate, plastic box for storing these tools, easy to carry and use at any time. Specification: Item Type: Countersink Bit Set Material: Carbon Steel Drill Bit Specification: 2.8 x 8mm; 3.0 x 8mm; 3.2 x 8mm; 3.5 x 8mm; 4.0 x 8mm. Package List: 5 x Drill Bits1 x Hex Wrench1 x Limiter2 x Accessories1 x Plastic Box