Whitecap 316 Stainless Steel Anchor Tensioner The Whitecap Anchor Tensioner is suitable for anchors weighing up to 90 pounds. Constructed of 316 stainless steel, Whitecap’s anchor tensioner is suitable for fresh and salt water applications. Whitecap’s 316 stainless steel anchoring accessories are manufactured to be resistant to harsh marine environments. Features: 316 Stainless steel construction Suitable for freshwater and saltwater use Resistant to harsh marine environments Specifications: Length: 4-1/2″ Width: 1-1/2″ Fastener: 3/16″ (2) Anchor Size: Up to 90 lbs.