Hello, I am looking for about 300ft of heavy duty guy wire turnbuckles and clamps. my landlady is having the house vinyl sided and I am loosing my 2 standoff brackets off the side of the house. I don't beleive the radio shack guy wires will handle the extra weight. Thanks, Rev. Robert P. Chrysafis Universal Life Ministries [ULC] 88.3 FM Stereo 1000 AM Stereo 100,000 MicroWatts of Community Power!!