PAOLO M.MILANO, ItalyVerified Buyer3 of 5all okayMichael moroneyennistymon, clare, IrelandVerified Buyer5 of 5Great serviceguido b.Roma, ItalyVerified Buyer5 of 5To make the yow system more radical and make it turn up to 90° by sawing off the batticorsa is perfect!!, the 5mm one is great for the original system, but it breaks if you turn the system beyond its factory degrees, this one on the other hand being obviously thinner allows greater angles of turn up to over I 90°