The Petzl Minder is a high-strength pulley designed for rescue professionals to set up progress capture systems.
Special side plates designed for use with a Prusik friction hitch in progress capture systems
Large diameter sheave mounted on sealed ball bearings for excellent efficiency
Accepts up to three carabiners to facilitate use
 
Rope compatibility: 7 to 13 mm 
Sheave diameter: 51 mm
Ball bearings: Yes 
Efficiency: 97 %
Maximum working load: 4 kN x 2 = 8 kN
Breaking strength: 36 kN
Weight: 295 g
Certification(s): CE EN 12278, NFPA 2500 General Use, XF 494: FZL-H-T 9.5/13