CMI 1" x 1/2" Micro Double PMPSame as the RP137, in a double configuration. Purple anodized aluminum sideplates, two 1 1/4" aluminum sheaves, bushing, and aluminum axle.
SMC 1" x 1/2" Micro Single PMPThe wide base design maximizes the effectiveness of a Prusik hitch while a unique side plate formation allows the use of larger ropes in a compact pulley
SMC 1" x 1/2" Micro Double PMPSealed ball bearings provide optimal efficiency and reduce the performance-robbing resistance that is inherent in most multiple component systems and are not prone to failure under misaligned loads or with twisted gear that may occur with needle bearings
SMC JR Pulley.Mini double pulley with becket designed for ropes up to 9 mm