Uxcell 10 Pcs M12 304 Stainless Steel Long Strut Spring Channel Nuts for Unistrut Channels Filing & Grinding 25ML Tube Rack Test Tube

25ML Tube Rack Test Tube Holder 12 Wells for 16-20mm Tubes

this box is useful and durable

4inch(263mmx182mmx60mm)(L*W*H)

Used in refrigerator

It is often referred to as weather stripping or rubber sealing and is primarily used as sealing tape to block air

Uxcell 10 Pcs M12 304 Stainless Steel Long Strut Spring Channel Nuts for Unistrut Channels Filing & Grinding 25ML Tube Rack Test Tube: M12 Threaded Diameter,304 Stainless steel material. What is a channel nut ? Pretty much what it sounds like: it is a nut that slides inside of a piece of strut channel, usually with a threaded hole in the middle, used to attach fittings to the strut. Channel nuts typically have serrated grooves on one side to help you correctly align them within the track of Channel, and hold them securely in place after being tightened.