ItemDex - Power Belt

Power Belt - Lists all details for the item including descriptions and locations across all Pokémon games

Held Items - Pokemon Sword and Shield Guide - IGN

290 Cinto Recio - ItemDex - Objetos Pokémon - Pokéxperto

Effort Values - Guides & Games, PDF

List of items by pocket (Diamond, Pearl, and Platinum) - Bulbapedia, the community-driven Pokémon encyclopedia

PokeMMO Item Dex (2nd Edition) - Guide Tavern - PokeMMO

ItemDex - Electric Seed

List of items by pocket (Black and White) - Bulbapedia, the community-driven Pokémon encyclopedia

ItemDex - Iron

Trade & Item Factions - Developer Blog - Last Epoch Forums

Dynamax Band - Bulbapedia, the community-driven Pokémon encyclopedia

ItemDex - Muscle Band

PokeMMO Item Dex (2nd Edition) - Page 2 - Guide Tavern - PokeMMO

Trade & Item Factions - Developer Blog - Last Epoch Forums

ItemDex - Power Weight

List of All Held Items Pokemon Brilliant Diamond and Shining Pearl (BDSP)｜Game8