A combination of the best ideas behind the trusty old Hexentric with Rock geometry. The Rockcentrics are brilliantly light, easy to use, offering plenty of placement options and come with a colour co-ordinated Dyneema sling that helps keep them firmly wedged once placed. Size Weight 4 43.00 gram 5 54.00 gram 6 69.00 gram 7 91.00 gram 8 118.00 gram 9 156.00 gram