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 14 oz Plumb-Rite Magnetic Plumb Bob Setter with 400g Weight, 14.5 ft Auto Recoil Cord, and Quick-Stabilizing Bob - Model PZB-400GP
9 Review
π¨ STANLEY Plumb Bob, 16-Oz (47-974) - Brass Construction for Enhanced Durability
5 Review
π¨ AWF PRO Solid Brass Plumb Bob Kit - 16 oz and 8 oz, Magnetic Base, Retractable 14ft Line Reel, Pencils, Sharpener, Carrying Case
6 Review
MOONWELL Pro Plumb String 26Ft
5 Review
Triangle Group TR918 225/45 R18 95V summer
61 Review
Kapro - 353 Professional Ledge-It Try & Mitre Square - For Leveling And Measuring - Features Stainless Steel Blade, Retractable Ledge, And Etched Ruler Markings - 12 Inch
23 Review
TV bracket Kromax DIX-18 black
52 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