Sealey ls501 load sling adjuster with ball bearings 680kg capacity sealey ls501 p this load sling adjuster from sealey handles and levels heavy off centre loads quickly and easily ball bearing handle allows for a smooth and easy adjustment three adjustment holes accommodate different sized engines if used with cranes of capacity 680kg or more the load must be restricted to 680kg maximum supplied with 4 x 275mm chains and 4 x l shaped brackets with additional karabiner styled screw li