Triple pulley very useful for a hoist up to 1:6 ratio. For example: with the force of 500 N (about 50 kg / 110 lbs.) you can lift a weight of 300 kg (660 lbs.). smooth-running ball bearing (red point = ball bearing), bearing body and balls made of stainless steel marking of the maximum rope Ø in the enhancing strap wobble riveting avoids sharp burrs at the rivet head cheek parts and sheaves of high-quality UV-resistant plastic low weight and excellent price/performance ratio diameter of sheaves 27 mm (size 8 mm), 50 mm (size 12 mm)
