VLIKE LCD Digital Audio Decibel Meter Sound Level Meter Noise Level Meter Sound Monitor dB Meter Noise Measurement Measuring 30 dB to 130 dB MAX Data Hold Function A/C Mode (Batteries Not Include) sold2026 Thin type knurled thumb nuts

Thin type knurled thumb nuts

8Colored Duct Tape: Red

Install batteries to the battery door

Set Includes 7 Most Used Sizes: #4 #6 #8 #10 #12 #14 #16Please See Picture 2 for Specific Dimensional Size

VLIKE LCD Digital Audio Decibel Meter Sound Level Meter Noise Level Meter Sound Monitor dB Meter Noise Measurement Measuring 30 dB to 130 dB MAX Data Hold Function A/C Mode (Batteries Not Include) sold2026 Thin type knurled thumb nutsVLIKE LCD Digital Audio Decibel Meter Sound Level Meter Noise Level Meter Sound Monitor dB Meter Noise Measurement Measuring 30 dB to 130 dB MAX Data Hold Function A C Mode (Batteries Not Include) Product Features The sound level meter is an instrument used to measure the ambient sound level,such as sound level around factories,workshops,schools,residential,offices,road,audio etc It also can be appropriate for noise engineering,product quality