Momoi Diamond Monofilament Line

Diamond’s tougher finish offers superior abrasion resistance for extreme conditions. New formulation offers tensile strengths up to 200% of stated line tests for the same diameter line. Superior knot strength and abrasion resistance are two of the most critical factors in choosing a monofilament. Diamond does both of these better than any other line on the market today!

  • Available in Clear, Blue & Yellow
  • Line tests: 12, 16, 20, 30, 40, 50, 60, 80, 100, 130, & 200lb


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At the request of many of our clients, we’ve added Momoi to our stable of great fishing products. In truth, it took me quite a while to confirm why we needed to add this manufacturer’s product to our mix. Ande had been around a long time, makes a good line. Berkley is well established.  P-Line makes a great product, tough, limited stretch with great casting capabilities. And, Izor…well it’s the most thought of and most highly recommended line for long range fishing in the world. It’s low stretch, high abrasion resistance and understated/conservative test ratings make it the line of choice in that style of fishing. But, folks asked us for Momoi. So, I did my own homework and honestly liked what I found. They have several well considered versions of mono in their line, including I.G.F.A.  But, first off I was keenly interested in bringing in their Diamond Nylon Mono and their Spectra/Braided line.

Momoi’s Diamond line is indeed tough and conservatively rated like Izor’s. But, it’s a little softer and thinner. Those two qualities alone made it worth the investment. Momoi’s Diamond mono has earned high marks for superior abrasion resistance under extreme fishing conditions. This formulation of their line offers tensile strengths up to 200% of stated line tests. As a result, knot strength is excellent – and that’s often where other lines fall short. Momoi’s Diamond line is available in an ivory clear, offshore blue and hi-vis yellow. It reminds me of Izor’s line, but it’s a bit thinner in diameter.

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Test Diameter Spool Size
12 .37mm 1000 yd/3000 yd
16 .40mm 1000 yd/3000 yd
20 .45mm 1000 yd/3000 yd
30 .59mm 1000 yd/3000 yd
40 .65mm 1000 yd/3000 yd
50 .75mm 1000 yd/3000 yd
60 .80mm 1000 yd/3000 yd
80 .90mm 1000 yd/3000 yd
100 1.0mm 1000 yd/2750 yd
130 1.28mm 1000 yd
200 1.45mm 1000 yd