Topcon AT-B4A Heavy Duty 24X Automatic Optical Automatic Level Kit Adapters the RL-H5A carries an IP66

the RL-H5A carries an IP66 rating for complete protection against dust and powerful water jets

2% Spandex construction resists snagging and manages moisture to help prevent sweating and overheating

Our PACKOUT™ Modular Storage System is the industry's most durable and versatile storage system

while the Rapid Strike tip and dual spiral flute produces 2x faster holes

and resilience for ATVs and UTVs alike

Topcon AT-B4A Heavy Duty 24X Automatic Optical Automatic Level Kit Adapters the RL-H5A carries an IP6624 X Magnification Topcon offers a wide range of automatic levels for the land surveyor, civil engineer, and contractor. All AT B series levels feature a magnetically damped wire hung having superior resistance to cold, heat and shock. All AT B series have a standard 360 horizontal circle. All models are waterproof with nitrogen gas sealed telescope which prevents clouding and moisture on the lens. Waterproof nitrogen gas filled Magnetically damped