Sigma Engineered Solutions ProConnex NM/SE Clamp Cable Connector 1/2 in. D 100 pk 5-50-550-04 And the stainless steel blade

And the stainless steel blade resists pitting

and is designed for maximum airflow with an innovative damper that helps prevent back-draft and heat loss

potassium nitrate

meaning the vials are always within eyeshot

AC50 DUCTape is a 14 mil premium grade duct tape designed to perform best when a significant level of tensile and tear strength are required

Sigma Engineered Solutions ProConnex NM/SE Clamp Cable Connector 1/2 in. D 100 pk 5-50-550-04 And the stainless steel bladeThe Sigma ProConnex Clamp Type Cable Connectors are used to terminate NM Cable or Flexible Cord to a 1 2 in knockout in a dry location box or enclosure. These die cast zinc connectors feature a reversible locknut to preserve grounding. Brand Name: Sigma Engineered Solutions Sub Brand: ProConnex Connector Type: NM SE Clamp Product Type: Cable Connector Diameter: 1 2 in. Number in Package: 100 pk CSA Listed: Yes UL Listed: Yes Length: 1. 16 in.