TRICON J1057 and J1058 are made from no. 16 and #8 gauge steel respectively and are used with porcelain knobs for telephone service drops. The J1057 is provided with reinforcing rib and web for extra flexural strength.
TRICON J1057 and J1058 are made from no. 16 and #8 gauge steel respectively and are used with porcelain knobs for telephone service drops. The J1057 is provided with reinforcing rib and web for extra flexural strength.
