... several millimeters up to 30 kilometers (for small Dia rods ).Fiberglass Application:1) Outdoor activities: tent Pole, kite Rod, arrow ... paddle shafts, bows and arrows, crossbows, golf shafts, slide guides, boat, kayak2) Tool: umbrella shaft, umbrella rod, curtain rod, fence ... needs. Moreover, as manufacturers,we can offer you the best price.If you interested or have specific requirements about our ...