DMM Mantis
The Mantis is a tube-style device from DMM; it weighs 45 g. Rated for single, half and twin ropes from 7.3 to 11 mm, with two rope slots. It rappels on two strands. In stock at 5 shops from 18.47 EUR.
DMM's 45 g tube belay device, hot-forged and CNC-shaped internally for control on thin ropes. Half and twin ropes 7.3 to 9.2 mm, single ropes 8.5 to 11 mm. Two friction modes: standard orientation for belaying, or flipped 180 degrees for smoother abseiling on thick or low-stretch ropes. EN 15151-2:2012; no guide mode.
Mantis rope compatibility
Compatible with 163 of the 166 single, half and twin ropes we track.
- Mammut 10.0 Galaxy Classic (10 mm single)
- Tendon Smart 10.0 (10 mm single)
- Mammut 9.5 Gym Classic (9.5 mm single)
- Tendon Smart Lite 9.8 (9.8 mm single)
- Fixe Liana 9.6 (9.6 mm single)
What the Mantis is for
Best for gym, sport single and alpine. Aimed at beginner to intermediate climbers.
Strengths & Trade-offs
Mantis strengths
- 45 g
- Half and twin ropes from 7.3 mm, single ropes to 11 mm
- Flips 180 degrees for smoother abseils on thick ropes
- Hot-forged with CNC-shaped internal geometry
Mantis trade-offs
- No guide mode
- No assisted braking
Mantis specifications
| Brand | DMM |
| Model | Mantis |
| Device type | Tube |
| Braking | Manual (brake hand) |
| Lowering | Rope friction only |
| Rope diameter | 7.3-11 mm |
| Rope types | Single, half and twin |
| Rope slots | 2 |
| Weight | 45 g (1.6 oz) |
| Material | Aluminium |
| Certification | CE EN 15151 |
| Released | 2019 |
| Guide mode | No |
| Anti-panic function | No |
| Lead / top-rope switch | No |
| Rappel | Two strands |
What the Mantis costs
Prices checked 15 Oct 2026 across 5 shops that currently stock it (18.47 to 30.00 EUR). Cheapest current offer: 18.47 EUR at sportokay.com, 20% below the 22.95 EUR list price.
| Retailer | Price |
|---|---|
| sportokay.com | 18.47 EUR |
| bergfreunde.de | 25.46 EUR |
| oliunid.it | 25.90 EUR |
| 8a.de | 27.99 EUR |
| rockrun.com | 30.00 EUR |
Alternatives to the Mantis
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