ScrewPro 138 Color:Black The Sound Level Pen calibrates

The Sound Level Pen calibrates electronically to its own internal oscillator or external 2-Pt

The fan system is enclosed in heavy-duty stainless steel with spiral fan guards

Collapsible

Lightweight aluminum handles with non-slip grips for secure handling

ScrewPro 138 Color:Black The Sound Level Pen calibratesScrewPro 138, a 138 in 1 multifunctional screwdriver set that combines manual and electric operation for effortless precision. Whether you're fixing electronics, assembling furniture, or repairing intricate devices, this set is designed to be your ultimate repair companion. Made from high quality alloy steel, each screwdriver bit ensures ultra high hardness and wear resistance, making it durable for long term use. The ergonomic handle design and