“FD Grip” The No.1 earthquake-resistant rebar coupler in Japan, the highest seismic country, for over 30 years.
Joining long or curved lengths of marine quality steel tubing is easily accomplished using inner splines. This video will show two ways to install a spline to extend the length of tubing. First we will use rivets and secondly we will use an adhesive which is useful when rivet heads are not desired (like in drapery rods or when tubing fittings must slide past a joint).
Order Stainless Steel or Aluminum Tubing and the tubing hardware at: https://www.sailrite.com