Climbing Technology Duetto

Twin pulley with fixes side plates that allows easy maneuvering on ropes or cables.
Main features:
made of anodized light alloy;
stainless steel sheaves mounted with 4 ball bearings;
for use with ropes Ø ≤ 13 mm;
designed for Tyrolean traverses on ropes or cables so it is particularly indicated for use in the adventure parks;
up to three connectors can be hooked in the lower eyelet.
 
https://www.climbingtechnology.com/en/outdoor-en/pulleys-and-ascenders/pulleys/duetto