Marine pulley made from 304 stainless steel,can be used in a salt water invironment
Single pulley block weight:340g,fit 1/2 inch dock rope
Stainless pulley maximum loading capacity:400kg
Single pulley block total length :130mm
Package includes: 1 piece stainless steel heavy duty pulley block
Jingyi Swivel snap pulley made from 304 stainless steel Stainless steel wheel Dia:50mm Stainless steel wheel width:13.5mm Eye Dia:20mm Tatal height:130mm Item weight:340g Maximum loading capacity:400kg. M50 pulley is not big enough to handle 5/8 inch dock rope,it more fit 1/2inch dock rope.