We buy some types of mounting accessories for ISO 6431 pneumatic cylinders. All accessories must be strictly ISO 6431 compliant. We need the following components: 1) rear "male" hinge with internal bearing (see photo) 2) rear 90? counter-hinge (see photo) 3) rear male and rear female hinges with internal bronze bush (i.e., within the hole for the pivot pin) Please, no phone calls, just answer by email