AMF Darkness Bowling Ball
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The Darkness features the Dark Tower symmetric core with an enhanced flip block that provides a lower RG and higher Differential, perfect for a strong motion through the midlane on slicker conditions.
The F77 Solid coverstock creates tremendous friction in the oil.
Matched with a 4000 Abralon finish, the F77 shell provide massive overall hook without loosing anything through the pins.
For best results us the Darkness on medium-heavy lane conditions.
AMF uses a numeric rating system designed to differentiate our coverstock strengths.
F10 least aggressive - F90 most aggressive.
|Manufacturer Part Number||1921-10|
|Lane Condition||Medium to Heavy Oil|
|Cover Type||Solid Reactive|
|RG / DIFF||#14 - 2.501 / .054 #15 - 2.479 / .054 #16 - 2.464 / .054|
|Launch Date||February 20, 2014|
|Warranty||1 Year Limited Warranty|
|Return period||60 days|
|Exchange period||30 days|