Check the listing for details. Riffe 5/16" (8mm) Diameter Hawaiian Flopper Shaft. Condition: New. Listed at 72.00 USD. Our eBay Store About Us Contact Us Add to Favorite Sellers Please contact us for a personalized shipping quote Riffe 5/16" (8mm) Diameter Hawaiian Flopper Shaft 5/16 (8mm) diameter 3 3/16(8.1cm) barb Spring stainless steel Heat treated to increase hardness and prevent bending Riffe-designed shark-fin tabs RIFFE Spearshafts are made with spring stainless steel, heat treated to increase hardness and prevent bending. The original RIFFE-designed shark-fin tabs have a smooth finish capable of holding 1 or 2 power bands per tab. 5/16″ (8mm) diameter – 3 3/16″(8.1cm) barb. Size Chart28" - Competitor 0034" - Competitor 044" - Competitor 150" - Competitor 257" - Competitor 365" - Competitor 472" - Metal Tech 5 Product Details Category Spearfishing > Shafts SKU HS-3502 Weight 7.0000 Color Size 44” UPC .