This is a pear shaped carabiner in steel with high breaking strength.
Screwgate
Breaking strength 50 kN
Big Dan Karabiner Screwgate is a pear shaped carabiner from ISC. It's made of steel and has, despite its light weight of 335 g, a high breaking strength.
Pitch roof work
General industry
Tower climber
MEWPs
Confined space
Scaffolding
Rope access
Telecom
Wind energy