Specification : Construction outside rubber sleeve is as per customer's requirement. It is either natural rubber or synthetic new prene Rubber. Shaft is of M.S. Polish bar or flame hexagonal shaft. Current of shaft as per customers requirement(centre distance of 2.0" x 2.50") Inside movable sleeve is made from M.S. pipe with necessary bore bearing or sleeve is of aluminum caste fitted with nylon bush.(Aluminum is only for round shaft) Both sides mounting bracket is as per customer's requirement.