Designed for use with inner member regular joints 14/35 joints with only a slight mismatch. Treated on inner surface so that it may be cemented to glass with ACE 7560 epoxy adhesive. Sleeves may also be used uncemented to replace lubricant at low pressure differentials. ACE PTFE sleeves are accurately shaped to 1:10 taper. Rugged, approximately 0.38 mm (0.015-inch) wall thickness.