☇☇☇ If you have any ideas about home decoration, this product can easily help you paint your house, including indoor, outdoor and garden fence. It's the perfect DIY tool, great for saving time and money.☇☇☇Product Specifications:Material: aluminum alloyMain material: stainless steelHandle Material: PlasticPutty box width: 25cmAdjustable handle height: 98cm~180cm☇☇☇ How to assemble and use①Make sure the thickness of the flat box blade is the same as that of the nail above the slingshot (1-1.5mm). You can use the screw on the knife holder to adjust the blade to your desired height.② The test knife holder can move up and down freely.③ Slide the flat case handle onto the box, tighten the two wing nuts to secure the flat case handle.④ Adjust the tension of the knife holder to the size of the compound used by the machine.⑤ One-key assembly.⑥ Hold the case at a small angle to the handle, tighten the knob to maintain the angle and keep the head still.⑦ Put the flat box on the accessory, release the button while applying pressure, let the flat box and the handle find a natural position.⑧ Adjust the handle length★ Customer ServiceIf you have any questions about this product before or after purchase, please contact us, we will solve the problem for you within 24 hours.