Ravalli County Search & Rescue

Strength Ratings

Strength Ratings of common items in our technical gear

Item Strength Grams
CMC ProSeries Screw-Lock Carbiners 51 kn (11,465 lbf) 142
CMC Pro-Tech Carbiners 30 kn (6,744 lbf) 74
Rescue 8 Aluminum 22 kn (4,946 lbf) 187
Rescue 8 Steel 22 kn (4,946 lbf) 539
CMC Rescue Pulley, SM Red 47 kn (10,565 lbf) 145
CMC Pro-Tech Double Pulley 36 kn (8,092 lbf) 156
CMC Anchor Strap wrapped 55 kn (12,364 lbf) 680
end to end 26 kn (5,845 lbf) 680
D-Link Mallion 10mm (closed) 45 kn (10,116 lbf) 680
working 8.8 kn (1,984 lbf) 680
CMC Anchor Plate 45 kn (10,116 lbf) 170
CMC Micro Anchor Plate 36 kn (8,092 lbf) 57
1" tubular webbing 17 kn (4,000 lbf) -
Sterling Static Line 12mm 40 kn (9,000 lbf) -
Sterling 8mm prusik cord 14.5 kn (3,260 lbf) -
Sewn prusik loops 26.2 kn (5,667 lbf) 65
Strength = minimum breaking strength. Grams = weight of item in grams.