1 or 4" Rectangular adapter Screwdriver Extension Drill Bits 27 Pieces Description: Application: 1 or 4 inch screwdriver, perfect fit do tighten screws and install screwdriver bits. widely used, workshops, carpentry, auto parts, specializing in machine repair and so on. Screwdriver angle holder with hex shank: easy do connect do any standard hex bit. manual or electric drills or klucze. and hex drill or 4 inches (6,35 mm). Durable: high quality alloy steel material, allows you to get do these difficult places and do the job easier and faster, great and convenient do repairs. Compact: Small size and practical hand tool, essential do home DIY or other repair work. Comfortable. Simple and easy to use. Specifications: Material: stal alloy Size chart: Short: 59x30mm or 2.32x1.18 inch Long: 140x32mm or 5.51x1.26 inch Package includes: 22 pcs. Package: 9x hexagon sockets, 1x short adapter do screws at right angles,1x long adapter do screws at right angles,bits 10x25mm, 1x flexible roller Pack of 8:1x short adapter do drill bits at right angles,3x black sleeve do electrophoresis,3x Black Sleeve Pack of 27:9x hexagon sockets, 10x25mm bits, 1x short adapter do angle screws,1x flexible roller, 3x black sleeve do electrophoresis, 3x black sleeve