Non- belt wrench, the scale of the thick belt is adjustable, vast practicability. The wrench clamping diameter is 5-15cm, which is appropriate for a of water air purifier filter out bottles, 10-inch filter out bottles, 20-inch filter bottles, and small membrane shells, and water purifiers. Colour:As proven Material:Metal+belt Size:The belt is forty nine pure cotton, the leather is 2cm wide, and the manage is 21cm prolonged Package Contents: 1* Filter Bottle Wrench Only the above equipment content, varied products usually are not included. Note: Light and diverse displays could cause the colour of the article within the photo slightly various from the genuine thing. The dimension allowed error is +/- 1-3cm.