Technical diving
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The Hollis F1 fins are supplied with stainless steel springs with anti-breakage cable, furthermore the springs are installed on the Hollis F1 fins with two through screws, so that the size can be changed and adjusted with extreme ease.
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The Hollis F1 fins are supplied with stainless steel springs with anti-breakage cable, furthermore the springs are installed on the Hollis F1 fins with two through screws, so that the size can be changed and adjusted with extreme ease.