Introducing an all new ISC RP037 Micro Pulley! The ISC RP037 Micro pulley was crafted with functionality and versatility in mind. It features a revised attachment eye that is wider and longer allowing for greater compatibility with carabiners and even allows rotation with many models. The pulley utilizes 6000 Series Aluminum and an anodized wheel to offer the strength and quality that you come to expect from any ISC product. Compatible with rope diameter up to 13mm (1/2"), Minimum Breaking Strength (MBS): 6,294 lbs.(28kN), Standard serial numbering, Anodized red finish, Weight: 3.25 oz. (92g). Meets EN12278:2007 standard.