... several millimeters up to 30 kilometers (for small Dia rods ).Fiberglass Application:1) Outdoor activities: tent Pole, kite Rod, arrow ... shaft, umbrella rod, curtain rod, fence post, rail, handrail, frame for cases and bags, flag pole, oil sucker rods, bolts ... scaffold, portable work platforms, cooling tower, luggage rack, window/door frame, sign post, bridge structure, bus bar supports, tool handles, ...