Comfortable grip, easy and labor-saving: specially designed for syringe packaging, suitable forfor syringe packaging welding oil, green oil, tin paste, flux, rosin, welding treasure, glue and so on. Ergonomic design: small and light, ergonomic handle design, comfortable grip, improve work efficiency. Plug-in and use: convenient and quick plastic material, strong and light, low oil resistance, easy to control. Comfortable and labor-saving: the design of the exhaust hole of the push rod reduces the air resistance in the syringe, which is more comfortable and labor-saving, and the quantity control is more accurate. Note:Due to different production batches, there are slight differences between the actual product and the picture, which not affect normal use. Colour:Gray Material:Plastic Package Contents: 10 * syringe booster Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.