Petzl OK Screw-Lock Carabiner Wide Heel and weighs in at 339

and weighs in at 339 grams

Upgraded FlickLock Pro clasps

With a hydrophobic treatment

The STS uses a side entry gate int he toe piece to utilize the fact that there is not need to add weight and features when it is not necessary

Try a stiffer or softer spring or change the preload adjustment to fine-tune it just the way you like it

Petzl OK Screw-Lock Carabiner Wide Heel and weighs in at 339Ideal for use with pulleys, ascenders, and progress capture pulleys, the Petzl OK Screw Lock Carabiner provides optimal loading due to its symmetrical oval shape. Made of lightweight aluminum, this carabiner has a Screw Lock for an easy to open locking system, with a red band giving a visual warning when it is unlocked. The fluid interior design limits the risk of catch points and facilitates easy rotation, with the Keylock system avoiding involuntary