1/4" 0.5 Ton Anchor Shackle
 
Screw Pin Anchor Shackles Brown Pin, rated (drop forged, hot dip galvanized)
Heat treated carbon steel, quenched and tempered.
Size: 1/4in
Working Load Limit: 1/2 TON
Weight: 0.1 lbs
US Federal Specs: RR-C-271F