Sure others will tell you more, its basically Ebonites Label Leverage layout. You can see it here.
http://ebonite.com/resources/drill_d..._instructions/
Drilling #1: Label Leverage
Reaction: Length…5 Backend…7 Overall Hook…8
Hook Style: medium hook, arc backend
Lane Condition: Medium to heavy oil with a hooking track, fresher backends, great for slower ball speeds and minimal axis rotation.
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