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Description
Ronstan Series 40 Swivel Head All Purpose Double BlockProduct Description Ronstan Series 40 Swivel Head All Purpose Double Block Features: Exceptionally high working loads Low maintenance, long service life Self lubricating sheave Specifications: Sheave 1 9 16 in. (40mm) Max. Rope 7 16 in. (10mm) Pin 3 16 in. (5mm) M. W. L. 1320 lb. (600 kg) B. L. 2650 lb. (1200 kg) Weight 4. 8 oz. (135 g) Product Information: All purpose (AP) blocks are a great all around solution. Self lubricating Acetal polymer
Product Description
Ronstan Series 40 Swivel Head All Purpose Double Block
Features:
Exceptionally high working loads
Low maintenance, long service life
Self-lubricating sheave
Specifications:
Sheave Ø - 1 9/16 in. (40mm)
Max. Rope Ø - 7/16 in. (10mm)
Pin Ø - 3/16 in. (5mm)
M.W.L. - 1320 lb. (600 kg)
B. L. - 2650 lb. (1200 kg)
Weight - 4.8 oz. (135 g)
Product Information:
All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.
Applications:
Mainsheet
Halyard
Vang
Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)
Materials:
U.V. stabilised Acetal sheaves
Impact and U.V. resistant, fibre reinforced Nylon cheeks
Grade 316 stainless steel bearing race
Grade 316 stainless steel load strap and head fitting
Sheaves: UV stabilised acetal
Cheeks: Impact modified, fibre reinforced and UV stabilised nylon
Features:
Specifications:
Product Information:
All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.
Applications:
Materials:
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Works great
Style: 20V Pwr Drv Trimmer (LST522-CA)
Works great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 4, 2025
★★★★★ 3
Seems to be refurbished but works as expected
Style: 20V Pwr Drv Trimmer (LST522-CA)
The packaging and the fact that it only included one battery is a pretty good indication that I was sent a refurbished product. I purchased it as NEW. The user manual was pretty clear, however, as the print was small. It would have been nice to have available a download version. (I searched the Black & Decker website but couldn’t find one.) I use the tool to edge the lawn and trim around trees and garden.
While not as powerful on high setting as my old corded model, it was adequate for normal lawn and yard. I would recommend having 2 batteries as it started to run down towards end of my work. I used it on high settings most of the time. I did have trouble getting the grass growing from cracks but got it close enough. Patches of high weeds took work to get them cut down. I think if I worked at getting the angle ‘better’, I could have done better, however, as this was my first use and I wanted to be sure I had enough battery.
Although I am disappointed it seems refurbished and comes with only one battery, it seems to do what I need and I will be keeping it.
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Reviewed in the United States on April 22, 2026
★★★★★ 1
Defective Battery
Style: 20V Pwr Drv Trimmer (LST522-CA)
The battery it came with was defective and seller would not make it right. Wanted me to return entire item when they could just have sent a replacement battery. Do not recommend this seller.
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Reviewed in the United States on April 21, 2026
★★★★★ 3
Defective Battery
Style: 20V Pwr Drv Trimmer (LST522-CA)
The trimmer works fine. Luckily I have many batteries. The battery that came with it is defective and I can’t seems to just exchange the battery for a good one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 5
FAST. Powerful. Easy to use.
Size: 8" Edger New
WOW! I bought a new house a couple of months ago, and the landscaping company overlapped the edge of the driveway with the sod. I've bee trying to trim it back with my string trimmer, but the results were less than desirable.
I got my new edger today, and I am astonished at the results! ruler straight edging, 2 1/2" deep and 1/4" wide. PERFECT! . . . and the whole front yard took less than 10 minutes! The edger is very powerful - it easily cut through the sod, deep into the dirt underneath leaving a nice clean edge. My neighbor has a lawncare company, and he was watching me. He came over and said he was going to get one for his jobs, as it is much faster and easier to use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 21, 2025
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