The Petzl Sm'D Screw-Lock is a compact, asymmetrical D-shaped aluminium carabiner. Developed for professional applications in the safety industry, construction and rope access. The D-shape makes the carabiner ideal for connecting safety equipment, belay devices and positioning lanyard. Thanks to its light weight and compact size, the Sm'D is easy to handle, even when wearing gloves. The Screw-Lock version features a manual screw lock for controlled, reliable closure. The carabiner complies with CE EN 12275, CE EN 362, UIAA and EAC standards.
Lightweight design
Made from aluminium for minimal load on the harness, without compromising on strength.
Safe and functional
Screw-Lock with red safety marker visible when open; Keylock closure prevents accidental snagging on equipment or rope.
Technical specifications
- Material: Aluminium
- Shape: D-carabiner
- Closure: SCREW-LOCK
- Weight: 46 g
- Breaking strength along length: 23 kN
- Breaking strength crosswise: 8 kN
- Breaking strength open: 7 kN
- Opening: 20 mm
- Certification: CE EN 12275, UIAA, CE EN 362, EAC
- Colour: Yellow or black
| Standardization | EN 12275 |
| Weight | 46 gram |
| Closure type | Screw lock |
| Resistance (longitudinal axis) | 23 kN |
| Resistance (width axis) | 8 kN |
| Resistance (open snapper) | 7 kN |
| Opening snapper | 20 mm |
| Form | D-shaped |
| Reference numbers | M39A SL, M39A SLN |
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