This is one of those old technologies that solves a lot of the problems plumbers face. It has a long cord, it's made of brass, you can use it to beat up students. Works well.
π Tajima PQB-600 Plumb Bob - 21 oz (600g) with Quick-Stabilizing Cap & Embedded Bumpers: The Ultimate Tool for Precision Leveling
4 Review
π§ Precision Measuring with General Tools 790-8 Hexagon Steel Plumb Bob, 8 Ounce
6 Review
Plumb Bob Magnetic Automatically Stabilize
4 Review
π¨ STANLEY Plumb Bob, 16-Oz (47-974) - Brass Construction for Enhanced Durability
5 Review
Triangle Group TR918 225/45 R18 95V summer
61 Review
π Johnson Level and Tool 400EM-S 12-Inch Heavy Duty Metal Combination Square for Professionals, with Inch/Metric Measurements, Silver - 1 Square
8 Review
TV bracket Kromax DIX-18 black
52 Review
π CAMWAY 6 Inch Digital Caliper with LCD Display, Electronic Vernier Caliper, 150mm Stainless Steel Feeler Gauge, Plastic Digital Caliper Set for Zero Setting Inside/Outside Diameter, Depth, and Step Measurement Tool
3 Review