Mantus
Mantus M3 CH2 Chain Hook — 5/16–3/8 in (8–10 mm)
Mantus M3 CH2 Chain Hook — 5/16–3/8 in (8–10 mm)
SKU:M3CH2
- 5/16–3/8 in / 8–10 mmChain fit
- 3,344 lb / 1,517 kgWorking load limit
- 2205 duplexStainless steel
CH2 latching chain hook for attaching a snubber or bridle to anchor chain. It remains captured when the chain goes slack.
See full product details and specificationsCouldn't load pickup availability
- Ships in 1–5 business days
- 30-day returns
- Advice from real cruisers
The M3 Chain Hook securely grips chains, even when unloaded. Crafted from durable 2205 Duplex Stainless Steel, it provides exceptional strength and corrosion resistance. It works as a snap shackle to close around the chainlink for the snubber and chain to work as a connector.
It is compatible with BBB, Proof coil, Hi Test, and Stainless-Steel chains, it is available in sizes: 1/4" (6mm), 5/16" (8mm), 3/8" (10mm), 1/2" (12mm), and 5/8" (14mm).
| Weight | 3.00 lbs |
|---|---|
| Dimensions | 9 × 5 × 2 in |
Shipping & lead times
Shipping & lead times
We're a small team of boaters and we pack orders within 1–5 business days (no weekend or holiday packing). You'll get an email with tracking as soon as a label goes on your box.
Specialty items — fire extinguishers (dangerous goods) and low-stock or built-to-order gear — can take longer; the product description will say so. On a tight timeline or meeting your boat somewhere specific? Contact us and we’ll work out the fastest way to get gear to you.
International orders ship DDU: local duties, taxes, and customs fees are the buyer’s responsibility. Full details in our shipping policy.
Returns & refunds
Returns & refunds
30-day returns from the date of purchase. Items must be unused, in the original packaging with all cables and accessories, with proof of purchase.
Contact us before shipping anything back — we’ll send the return form that must accompany your return. Fire extinguisher and lithium battery items carry a $15 administrative fee on returns.
Read the full refund policy.
Ask a cruiser before you buy
Ask a cruiser before you buy
Everyone here is a current or past cruiser — we’ve docked short-handed, re-rigged at anchor, and chased 12V gremlins too. Not sure this is the right fit for your boat? Send us your question before you order and we’ll give you a straight answer.
M3 chain-hook sizing
The M3 closes around a chain link so it stays attached when the rode goes slack. It is intended for connecting a snubber or bridle and fits BBB, Proof Coil, High Test, and stainless chain. The hook body is 2205 duplex stainless steel.
| Hook | Chain diameter | Working load limit | Ultimate breaking strength | Recommended snubber rope |
|---|---|---|---|---|
| CH1 | 1/4–5/16 in (6–8 mm) | 2,507 lb (1,137 kg) | 10,028 lb (4,549 kg) | 1/2–5/8 in (13–16 mm) |
| CH2 | 5/16–3/8 in (8–10 mm) | 3,344 lb (1,517 kg) | 13,376 lb (6,068 kg) | 5/8–3/4 in (16–19 mm) |
| CH3 | 3/8–1/2 in (10–13 mm) | 4,803 lb (2,179 kg) | 19,214 lb (8,715 kg) | 3/4–1 in (19–25 mm) |
| CH4 | 1/2–5/8 in (12–16 mm) | 8,250 lb (3,742 kg) | 32,993 lb (14,965 kg) | 1–1 1/4 in (25–32 mm) |
Choose the smallest M3 hook that fits the chain unless higher-grade chain requires the next size.