Feature: 1. 3D brush rotation, multi-angle cleaning 2. Clean chain is quick and easy 3. Saves cleaning liquid (diesel kerosene, etc. can be used after precipitation) it's more environmentally friendly Instructions way : Step 1: Open the lid first, pour in diesel or gasoline, then put the chain in, close the lid and turn the chain until the chain is clean Step 2: Drain the diesel oil, add a little detergent to the water, and wash the chain again. After washing, dry the chain with a dry cloth. This time, the chain is as clean as the necklace ! Step 3: Don't forget to be sure to put oil on the chain, otherwise the chain must have been rusted for a few days. Dimension :- Volu. Weight (Gm) :- 115 Product Weight (Gm) :- 45 Ship Weight (Gm) :- 115 Length (Cm) :- 25 Breadth (Cm) :- 7 Height (Cm) :- 3