The CMI RP133NFPA Pulley

Same as the RP132, in a double configuration.  Stainless Steel sideplates, two 2" Aluminum sheaves, Bushing, and Stainless Steel axle. 
MBS Rope Capacity Size Weight Efficiency
13000lbs 1/2" 6.5x4.25in 1.55lb 185.7%

$78.45