3M™ 3939 Silver Duct Tape MIL205B21M Tackle demanding drilling applications and

Tackle demanding drilling applications and mix thinset

Quiet Operation - Ideal for noise-sensitive areas

Five flute design reduces vibration for smoother drilling and extended life

The leading edge is curved for smooth cuts and is the perfect width while oscillating to match the width of a standard electrical box

3M™ 3939 Silver Duct Tape MIL205B21M Tackle demanding drilling applications and3M Duct Tape 3939 is the all around holding, splicing, masking, patching, sealing and seaming tape. A polyethylene coated cloth backing with rubber adhesive offers high tack, conformability, strength and easy tear. The individual roll wrap preserves integrity of the roll for less waste and the product number is printed in core to ensure the correct product is used. It features good moisture resistance and has good tensile strength. 3M Duct Tape 3939