I used this spirit level to keep the faucet perpendicular to the part I was threading. The level's magnetic base is on top of the knob (the key had a flat surface). I held the bubble in the middle and gently twisted the knob to start threading. Worked great. Straight vertical tapped hole!
📏 SKIL 24-Inch Digital Level - LV941901
8 Review
🔵 IRWIN Tools Bullseye Level (1794487) - Blue
9 Review
DigiPas DWL80PRO: Compact Digital Level & Angle Gauge - Accurate Protractor, Bevel Gauge, and Angle Finder, 0.05° Sensitivity, 4 inch Pocket Size
11 Review
Johnson Level & Tool 40-0912 Self-Leveling Cross-Line Laser Level, Red, 6 x 7 Inches
10 Review
🔲 Johnson RAS-1B Johnny Square: Professional Aluminum Rafter Square, 7'', Silver - Top Quality with 1 Square
8 Review
TV bracket Kromax DIX-18 black
52 Review
Triangle Group TR918 225/45 R18 95V summer
61 Review
📏 Johnson Level and Tool 400EM-S 12-Inch Heavy Duty Metal Combination Square for Professionals, with Inch/Metric Measurements, Silver - 1 Square
8 Review