For direct aid climbing.
- Swedge design, used in direct aid climbing
- Aluminum - Size #1 - 4
- Duck Heads - Size #1 & 2
- Copper (non-plated) - Size #1 & 2
Manufacturer Code:
- Copper #1: 1031
- Copper #2: 1032
- Aluminum #1: 1040
- Aluminum #2: 1041
- Aluminum #3: 1042
- Aluminum #4: 1043