Simpson 3/8" x 1-7/8" Rod-Coupler Head Sleeve-All Anchor SL37178C PACK:50 Pk What electrical requirements does this

What electrical requirements does this lathe have

What does the checkered head pattern on these nails do

lock face routing

Suitable for nominal 2x6 and 2x8 lumber

Simpson 3/8" x 1-7/8" Rod-Coupler Head Sleeve-All Anchor SL37178C PACK:50 Pk What electrical requirements does thisSimpson Strong Tie Sleeve All 3 8 in. x 1 7 8 in. Rod Coupler Head Sleeve Anchor is a pre assembled expanding sleeve anchor engineered by Simpson Strong Tie for reliable, secure fastening in solid base materials such as concrete and brick. Designed with a rod coupler head, this anchor is ideal for applications requiring a threaded rod connection, and it delivers optimal performance even in the most demanding structural installations. FM and UL