Carabiner
From Amazon
Petzl P75 TL NEW ROLLCLIP Z Pulley Carabiner with Gate Opening On The Non-Pulley Side, Size: Triact-Lock ,Grey/orange.
The Climbers Shop
Petzl Rollclip Z Pulley Screwgate
OnBuy
Petzl P75 SL NEW ROLLCLIP Z Pulley Carabiner with Gate Opening On The Non-Pulley Side, Size: Screw-Lock