GIM 120 / BOSCH
- Length: 120 cm
- Measuring range: 0-360 degrees (4x90 degrees)
- Electronic measurement accuracy 0°/90°: ± 0.05°
- Accurate electronic measurement at 1 – 89°: ± 0.2°
- Measurement accuracy, glass tube foam: ± 0.057° = ± 1 mm/m
- Approximate weight: 1.3 kg
- Measurement units: °, %, mm/m
- Operating time: 200 hours
- Measure tilt accurately in degrees, percent or millimeters/meter
- Directional arrows and audio signals at 0° and 90° make adjustments easy
- The measured value can automatically rotate on the screen when operating in an area above the head

EP-563 / Longdar (Taiwan)
- Soft PVC material, has 3 levels of sound insulation
- The connection wire is flexible, hard to break, and has a storage box so it's easy to store.
- Can be used many times
- Sound reduction level: 23dB

EP-565 / Longdar (Taiwan)
- Soft PVC material, with 4 soundproofing levels
- The connection wire is flexible, hard to break, and has a storage box so it's easy to store.
- Can be used many times
- Sound reduction level: 27 dB
- Meets ANSI S.19 standards

AB311A / Anbaco (Vietnam)
- Soft and flexible PVC material
- Can be used many times
- Sound reduction level: 23dB
- Manufactured by An Bac

AB311B / Anbaco (Vietnam)
- Soft and flexible PVC material
- Flexible connecting wire, difficult to break
- Can be used many times
- Sound reduction level: 23dB
- Manufactured by An Bac

V-Gard 10190357 / MSA
- Helmet-mounted earmuffs
- NRR: 27-28
- Material: HDPE, soft foam inside leather case.
- Good noise reduction, no ear pain when used for a long time
- Standards: ANSI S3.19-1974, ANSI S12.6-2008 • CSA Class A, EN 352-3:2002