The chain pulley block is manufactured in house: The material used for gear is all en8 with 40 hrc hardness, becoz of which increased working life. Light weight and sturdy - easy to handle. Minimal maintenance required. We use bearings of skf/fag. Anti corrosive powder coated finishing. Smooth passage off load chain. Smooth hand chain operation over easy motion of chain. Power full frcition brakes. All load wheels made of s. J iron, Hooks all tested. Our chain pulley block is 50 % overload, considering safety factor.Hand wheels are of c. I , m. S Load chain used are all tested grade 80. The price is comparatively low. and quality wise best for your application. To ensure the safety of material we make delivery of our chain pulley wooden boxes, by our skilled workers.