What's the name of this plastic piece that holds the tightening

First Aid Only 3100 First Responder Kit, Small 98 Piece Plastic Case

Plastic drums for the food industry - ITP Packaging

What is this broken piece on my Pearl snare stand called? Won't tighten to hold snare up, need a new plastic piece. : r/drums

Joint Holder Cone Holder Air Tight Plastic Rolling Tube Pack of 5 Choose Your Colour

Lee Stafford Hold Tight Hairspray – Lee Stafford UK

250ML Round Pet Jar With Cap

Carlon 1/2 in. 2-Piece Straight Liquid Tight Connector LT50G-B1-20R - The Home Depot

What is this thing that holds widespread bathroom faucet handle to sink? How do I tighten it? - Home Improvement Stack Exchange

6 Piece Unbreakable Jar Kitchen Storage 150ML Each Food Grade Plastic Container BPA-Free Stackable Air Tight - Kotak Sales

MedTainer Smell-proof Storage Container w/ Built-In Grinder

Carlon 1/2 in. 2-Piece Straight Liquid Tight Connector LT50G-B1