3 inch convex key inflatable shaft aluminum

Brand: Qinjie Model: JS-015 Parameters: Convex key inflatable shaft, also known as key type inflatable shaft, is made of high-quality aluminum tube with HV700 hard oxidation on the surface. The aluminum convex key is flexible in expansion and contraction, equipped with high-quality inner liner and quick inflation nozzle, with good sealing effect. The detachable shaft head is easy to maintain and has a long service life. Type: Key type inflation shaft After sales service: 2-year warranty Product uses: plastic film industry, lithium battery materials, adhesive tape, label industry, roll paper processing industry, PVC sheet material winding and unwinding, etc