Toolbox DIY is a focused field reference and project notebook for makers, woodworkers, electricians, and home renovators. A clean specs library, a real project log, and a quick math pad — all on a single stage. No signup, no popups, no upsells. KEY FEATURES • Screw size reference with shaft and head dimensions for common gauges • Drill bit chart matching pilot, clearance, and tap sizes to screws and bolts • Wire gauge table with AWG diameters, ampacity, and common uses • Lumber dimensions: nominal vs actual sizing for framing and sheet stock • Project log: save measurements per project so you stop losing them on scraps of paper • Math pad with the conversions and shop arithmetic you actually use • Dark, glare-resistant theme designed for shop and jobsite lighting DESIGNED FOR REAL WORK Whether you are roughing in framing, picking the right pilot bit for a deck screw, or pulling wire for a new circuit, Toolbox DIY keeps the answer one tap away. PRIVACY No tracking. No accounts. Your saved projects live on your device.