Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Turnbuckle
Origin	-
Material	316 Stainless Steel
Model Number	3818
Type	Basket Screw Tightener
Application	Marine Rigging & Sailing
Finish	Polished
Thread Type	Right-Hand / Left-Hand
Load Capacity	Heavy Duty
Corrosion Resistance	High (Saltwater Safe)
Package Includes	1 x Turnbuckle Body, 2 x Eye Bolts
Warranty	1 Year Manufacturer Warranty

6 reviews

Anonymous

Mar 18, 2026

Rating: 5/5

Excellent corrosion resistance

Been using Model 3818 for six months in saltwater environments with zero signs of rust or pitting. Highly recommend for anyone serious about marine maintenance.

Anonymous

Mar 18, 2026

Rating: 4/5

Good value for money

Compared to local chandlery prices, this is a steal. Quality matches the more expensive brands I've used in the past. Only wish it came with a locking pin included.

Anonymous

Mar 15, 2026

Rating: 5/5

Perfect for my sailboat rigging

Installed these on my main mast shrouds last weekend. The 316 stainless steel quality is evident, and the basket design makes tensioning incredibly smooth even in tight spaces.

Anonymous

Mar 13, 2026

Rating: 5/5

Easy to adjust under load

The threading is precise and allows for fine adjustments while the rigging is under moderate load. Saved me a lot of time during my seasonal tune-up.

Anonymous

Mar 06, 2026

Rating: 4/5

Solid build, slightly heavy

Great turnbuckle that feels very durable. It is a bit heavier than expected, but that speaks to its heavy-duty construction. Works perfectly for offshore conditions.

Anonymous

Mar 05, 2026

Rating: 5/5

Reliable and sturdy

Replaced my old corroded turnbuckles with these. The fit is perfect, and the polish looks great against the white fiberglass. Very satisfied with the purchase.

5 FAQ

Q: Does this come with the eye bolts pre-installed?

A: The turnbuckle body is sold with two matching eye bolts, but they are packaged separately for shipping safety. You will need to screw them in upon arrival.

Q: Is this turnbuckle suitable for freshwater lakes as well as saltwater?

A: Yes, the 316 stainless steel construction provides excellent corrosion resistance in both freshwater and saltwater environments.

Q: What is the maximum working load limit for Model 3818?

A: While rated for heavy-duty applications, specific load limits depend on the wire diameter paired with it. Please consult the detailed spec sheet attached to the product manual for exact figures based on your rigging size.

Q: Can I use this for standing rigging on a 30-foot boat?

A: Absolutely, Model 3818 is commonly used for standing rigging on vessels ranging from 25 to 45 feet, depending on the specific load requirements of your mast configuration.

Q: How often should I inspect this turnbuckle?

A: We recommend inspecting all marine rigging hardware, including turnbuckles, at least once a season or before any long offshore passage to check for wear, cracks, or thread damage.

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