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Spearit Original 1mm 200lb Braided Kevlar®
Speargun Band Constrictor Cord

Spearit Original Kevlar Constrictor
 
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Spearit's Original Kevlar®² Constrictor

We recommend our original 1mm constrictor for band sizes 5/8 inch and thinner. Spearit's orginal constrictor is capable of handling any size speargun or polespear rubber. We have recently introduced our heavy duty 1.7mm version that we recommend for larger rubber diameters but if you are experienced at band tying you can reliably tie any size band with this 200lb tensile strength cord.

Why Kevlar®?

Like most spearos, we used waxed Nylon lacing cord as constrictor for years. Why was it waxed anyway? To lubricate it so that it could be tightened without breaking. Besides being weak the other problem was the stretch. Terminal beads and knots had to be larger to compensate for the stretchy constrictor. But the larger the bead, the more stress on the rubber which is why most band breaks occur over the bead. We wanted to use the smallest beads and knots possible so we knew we needed a better constrictor. Kevlar® fit the bill. its super strong so a constrictor knot or two will do the job. It is ultra low stretch so that when you tighten down your constrictor knot, it stays tight. Last but not least it is much better at retaining a knot than any other synthetic fiber. Say good bye to keeping a lighter around to melt a ball on the ends of your constrictor to control knot creep. With our Kevlar®² Constrictor you can cut it close and forget it or if an 1/8 inch tail offends your sense of perfection, tie an extra constrictor knot on top of the first and cut it off flush.

²Kevlar® is a trademark of E. I. du Pont de Nemours and Company a U.S. corporation more commonly referred to as DuPont. 100% of the fiber contained in our braided Kevlar® cords is genuine Kevlar® manufactured in America by Dupont. All additional processing of the Kevlar® fiber is performed by Spearit Group LLC and its subcontractors excluding Dupont. �Item may be shipped coiled or on a flat spool for international orders to minimize shipping cost.


�Item may be shipped coiled or on a flat spool for international orders to minimize shipping cost.



Item# Item Name Price Quantity Add
LINE-KE10-B001
per foot 1 mm BLACK Kevlar® Band Constrictor
$0.89
LINE-KE10-B050
50ft 1 mm BLACK Kevlar® Band Constrictor
$16.99
LINE-KE10-B300
300ft 1 mm BLACK Kevlar ® Band Constrictor
$43.99
LINE-KE10-B999
1000ft 1 mm BLACK Kevlar® Band Constrictor
$121.99
LINE-KE10-Y001
per foot 1 mm YELLOW Kevlar® Band Constrictor
$0.89
LINE-KE10-Y050
50ft 1 mm YELLOW Kevlar® Band Constrictor
$16.99
LINE-KE10-Y300
300ft 1 mm YELLOW Kevlar ® Band Constrictor
$43.99
LINE-KE10-Y999
1000ft 1 mm YELLOW Kevlar® Band Constrictor
$121.99
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Important Product Notes:
Warning -This cord is not intended or tested for climbing or hoisting. Tensile testing is done under ideal conditions. Common practices and factors will significantly degrade the strength of this product including but not limited to, knotting, environmental exposure and normal wear and tear.



Tech Specs:
  • Material - 100% Dupont Kevlar fiber Construction - 8 carrier diamond braid
  • Minimum Tensile Test Strength - 400lb minimum (Tensile testing is done under laboratory conditions. Many factors will degrade performance including normal wear and tear, environmental exposure and knots. This line is not for climbing.)




Compatibility:

General Compatibility - This item can be used with some products of Riffe®, Wong®, Mako®, Koah®, Hammerhead®, C4®, Salvimar®, Spetton®, Rob Allen®, JBL®, Cressi®, Picasso®, Beauchat®, Biller®, Ocean Rhino®, Spearfishing Specialties®, Sea Hornet®, Omer®, Demka®, Bandito®, and more. Spearit Group LLC unaffiliated with these manufacturers.