Alignment work made easy - Leica Geosystems offers Industrial & Construction Theodolites with outstanding performance and maximum flexibility. Availability: Usually ships in 2-3 business days. Builder T The Leica Builder is the only theodolite offering a complete product family. Builder R The Builder R100 or R200 determines a target with electronic laser distance measurement. Builder RM The Builder R100M and R200M with built-in memory, saves and transfers measured data via an interface between the Builder and a PC.