Quick Links are available in three sizes. The small quick links have a working load limit of up to 220 lbs., are made of 1/8" steel, have an overall length of 1 7/16", and have a jaw opening of 1/8". The large quick links have a working load limit of up to 620 lbs., are made of 3/16" steel, have an overall length of 1 15/16", and have a jaw opening of 1/4".