【For Pocket Hole】: Optimized pocket hole screws 1-1/4 inch length and washer head are designed for wood joinery in invisible pocket hole. Avoiding over-drilling, and effectively predicted the screw position while drilling. 【Square Drive】: Deep square of pocket hole screws wide contacts with drive bit, 4 square edges reduce torque for driving, avoid stripping at driving work. 【Coarse thread+Self-Tapping】: Pocket screws with coarse thread and self-tapping tip provide aggressive power while drilling. Used for treated lumber, such as cabinet, table and so on, pilot hole needed. 【Zinc Coated】: Zinc coating fully protects inside of the pocket hole screw, without peeling off, provides greater rust resistance, designed to make woodworking projects durable with pocket hole construction. 【Package】: #8 x 1-1/4 Inch Pocket Hole Screws 1000 Pieces, 150MM Square Drive Bit Included. LIONMAX Pocket Screws are arranged in a nice container for convenient storage with clear label for easy recognition. Pocket Hole Screws