This SeaSure 25mm double block features a reliable plain bearing design, making it a versatile choice for sailing rigging or various light-load mechanical systems. Constructed with marine-grade stainless steel side plates and rivets, the block is paired with a durable, lightweight arnite sheave.
Key Features:
- Can be used to create purchasing systems for lifting or storage mechanisms
- Suitable for creating 4:1 purchase systems to help manage rope load
- Maximum rope diameter: 8mm
- Breaking load: 1000kg
- Model number: 00.21CRD
Product facts
- CT SKU
- CT-113827
- Model / MPN
- 00.21CRD
- UPC / GTIN
- 895052000807
- Package dimensions
- 1" X 3" X 5"
- Package weight
- 0.1 lb
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
Shipping & returns
Shipping & returns
Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.
Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
Need help choosing?
Need help choosing?
Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.
