Swivel Anchor Hook Klein Tools 259 Swivel clevis on this forged hook will engage with snap on Klein block & tackle Cat. Nos. 1802-30 and H1802-30 Swivel prevents twisting and kinking of rope Maximum safe load 750-pounds (340 kg) 1-3/16-Inch x 1-Inch (30 mm x 25 mm) Swivel Opening 1-7/8-Inch (48 mm) Throat Opening