Radius Layout Materials At Anvil American, our passion is serving you. Browse through our wide variety of radius layout materials to help your job run as smoothly as possible. Contact us with any questions! SL151 Fiberglass Flat Bar 8'4" length Min | 50' (6 pieces) Learn More SL151-2 Fiberglass Flat Bar 16'8" length Min | 50' (3 pieces) Learn More SL155 Fiberglass Round Rod Min | 50' (6 pieces) Learn More SL155-2 Fiberglass Round Rod Min | 50' (3 pieces) Learn More SL151-C Fiberglass Flat Bar Connector Learn More SL155-C Fiberglass Round Rod Connector Learn More SL114 Fiberglass Flat Bar Radius Clip Min | 50 Learn More SL115 3/8" Fiberglass Rod Radius Clip Min | 50 Learn More SL117 3/4" CPVC Pipe Radius Clip Min | 50 Learn More SL118 3/4" PVC Pipe Radius Clip Min | 50 Learn More SL119 1" PVC Pipe Radius Clip Min | 50 Learn More