Descriptions1. Aluminum alloy material, large-capacity putty box, pack more and scrape a larger area2. Double spring design, the putty is discharged evenly, and the putty is pressed out at a constant speed when plastering3. The spring pressure plate can smooth out the unevenness at one time, and the pressure plate can be adjusted for long-lasting smoothness4. 120 degrees can be adjusted, respond to various room types, knob type stepless adjustment5. The machine head can be fine-tuned to deal with tricky angles, and various angles can be plastered6. Quickly adjust the lock, lengthen the telescopic rod, scrape the ceiling, no need to take a ladder7. Just a light push, the bottom set roller, push effortless8. Stainless steel, leak-proof sealing plate, after putty installed, putty can be scraped off after removalHow to Assemble and use1. Make sure the plat box blade is the thickness of a fingernail(1-1.5mm) above the skids. The blade can be adjusted using screws on the blade holder tooobtain the necessary height;2. Test that the blade holder can move up and down freely;3. Attach your plat box handle by sliding it onto the box and tightening the two wing nuts;4. Adjust the tension on the blade holder to suit the gauge of compound which is to be used in the machine;6. Set the box at a slight angle from the handle and tighten the button fo fix the angle, so the headremains stationary.7. Place the flatbox on the joint and while applying pressure, release the button allowing the box and the handle to find its own natural position.8. Ajust the length of handle: push the button to extend the length(Max. 63.8'')