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Industrial Marker, Black, Acrylic, PK36 - amazon.com.

INKZALL Jobsite Markers feature clog resistant tips and the ability to write through dusty, wet or oily surfaces. The durable marker tips are designed for writing on rough surfaces such as OSB, cinder block and concrete and the ink dries quickly to reduce smearing markings, without drying out quickly when the cap is left off..

https://www.amazon.com/Industrial-Marker-Black-Acrylic-PK36/dp/B01LXTQK1Y.

Amazon.com: "milwaukee Tools".

Milwaukee 2426-20 M12 12 Volt Redlithium Ion 20,000 OPM Variable Speed Cordless Multi Tool with Multi-Use Blade, Sanding Pad, and Multi-Grit Sanding Papers (Battery Not Included, Power Tool Only).

https://www.amazon.com/milwaukee-tools/s?k=%22milwaukee+tools%22.