What would be the swl (safe working load) for this loop?

Per tag on the loop 500 lbs . MBS 4500 lbs

Why use this over an eye to eye splice? Can you use a tending pulley with these? Prusiks are hard to unlock under load without one.

If your prussik is under load then you need to unload it some how. Yes you can use a prussik minding pulley with one. I chose these as they are easier for people to remember what they are for and you don't have a knot in the way when you wrap the prussik. We're primarily using them as a brake in the 3:1 system and to attach the mid-line pulley to the rope. After setting up the 3:1, or "Z" rig, we pull the mid -line pulley which is behind the brake prussik and the minding pulley. At the end of the haul, when the two pulleys meet, we set the brake prussik, and slide the hauling prussik and pulley down to capture another stretch of line for hauling. When that prussik is set, a pull on the line relaxes tension to the set brake prussik. The belayer either loosen the prussik or the prussik minding pulley slides it down the rope. If your ropes are icy, muddy, or wet prussiks may not be ideal and the problems must be solved another way, such as a second belay line, and anchoring the hauling pulley with knots to the section or rope to be hauled. Good luck. JH

Can you tie this in a schwabisch knot and stuff like that or does it only do prusik knot?

You'll want a cord with a loop on each end or you'll want to tie your own loops. This works only for Prussiks. There is a good U tube video on the schwabisch knot.

Does a typical screwgate climbing carabiner go into the pre-sewn loop? Sorry, noob climber here.

Unless you're using it in the basket configuration, it's not strong enough. Needs at least 23 KN rating end to end to be considered strong enough

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🧗‍♀️ Elevate your grip game — strength and finesse in every loop!

EFFORTLESS KNOT TYING UNTYING - Double-braided, supple polyester construction ensures your prusik, autoblock, or Klemheist knots are smooth, secure, and quick to adjust.
VERSATILE LENGTHS FOR EVERY MISSION - Available in 18” and 24” sizes, perfectly tailored for ropes between 11-12.5mm, ideal for climbing, rescue, rigging, and aerial setups.
UNMATCHED STRENGTH FOR PEAK PERFORMANCE - With a massive 24kN (5400 lbs) breaking strength, this loop handles the toughest climbs and rescues with ease.
LIGHTWEIGHT COMPACT FOR ON THE GO PROS - At just over 2 ounces, this prusik loop is a minimalist essential that fits seamlessly into your gear rack without weighing you down.
PRECISION CNC STITCHING WITH PROTECTIVE SLEEVE - Machine-stitched joints wrapped in heat shrink provide a sleek, low-profile finish that resists abrasion and extends gear life.

The GM CLIMBING 8mm Prusik Loop is a high-performance, double-braided polyester loop available in 18” and 24” lengths, engineered with a 24kN breaking strength. Featuring CNC machine-stitched joints protected by a heat shrink sleeve, it offers superior durability and abrasion resistance. Designed for ropes 11-12.5mm in diameter, it’s perfect for climbing, rescue, rigging, and aerial applications, combining lightweight portability with professional-grade reliability.

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Material	Polyester
Color	Black-18 Inch
Brand	GM CLIMBING
Style	Compact
Item Length	18 Inches
Tensile Strength	5400 Pounds
Manufacturer	GM CLIMBING
Item Weight	2.08 ounces
Item model number	GM8101
Is Discontinued By Manufacturer	No
Manufacturer Part Number	GM8101

GM CLIMBING 8mm (5/16") Prusik Loop Pre-Sewn 18 inches / 24 inches

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