- Combo Set of 16 Pieces: This set includes 13 of the most commonly used drill bit sizes (1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4") along with three additional pieces (1/16", 5/64", and 3/32"). The included portable plastic bag features a size index for easy selection, storage, and transport. - 10 Pieces of 1/8" Hex Drill Bits: This set features 10 pieces of 1/8" (3.185mm diameter) metal drill bits with a flute length of 41mm. They come in a portable plastic case for convenient organization and storage. - Premium HSS Titanium Coating: Made from industry-grade 4341 high-speed steel, these drill bits are more durable than those made from 4241 HSS found in other sets. The titanium coating enhances wear-resistance, ensuring a longer lifespan. - Fully Ground Process with 135° Split Point: The fully ground spiral groove design effectively clears debris, reducing friction and heat for efficient drilling. The 135° split point with a straight shank prevents walking, allowing for precise drilling without the need for a center punch. Use Scenarios: - Ideal for home improvement projects such as hanging shelves, installing fixtures, or creating pilot holes in wood, metal, and plastic. - Perfect for professionals and DIY enthusiasts who require reliable and precise drill bits for various applications, from construction to crafting. - Great for hobbyists working on detailed projects that demand accuracy and durability in their tools.