

🪟 Upgrade your window game with the sleek, space-smart crank handle everyone’s talking about!
The Prime-Line H 3962 is a white diecast alloy steel folding crank handle designed for universal fit on most casement windows. Featuring a 2.75-inch ergonomic projection that folds down to 5/8 inch, it prevents interference with window blinds while offering durable, easy-to-install functionality. Its screw-based attachment and included adapters ensure compatibility with a wide range of window operators, backed by a 1-year warranty for reliable performance.



























| ASIN | B00852EXUS |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #61,094 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #49 in Window Dressing Hardware |
| Brand | PRIME-LINE |
| Color | White |
| Customer Reviews | 3.7 3.7 out of 5 stars (1,368) |
| Date First Available | June 28, 2013 |
| Exterior Finish | Painted |
| Finish | White |
| Handle Attachment Mechanism | Screw-based |
| Handle Material | Alloy Steel |
| Included Components | Crank Handle |
| Is Discontinued By Manufacturer | No |
| Item Depth | 2.75 inches |
| Item Package Quantity | 1 |
| Item Weight | 2.7 ounces |
| Item model number | H 3962 |
| Manufacturer | Prime-Line Products |
| Material | Diecast |
| Metal Type | Alloy Steel |
| Number Of Pieces | 1 |
| Number of Items | 1 |
| Part Number | FBA_H 3962 |
| Product Dimensions | 2.75"L x 0.75"W |
| Projection Distance | 2.75 Inches |
| Size | 1 Count (Pack of 1) |
| Special Feature | Easy to Install |
| Special Features | Easy to Install |
| UPC | 049793039620 |
| Unit Count | 1.0 Count |
| Warranty Description | Goods are warranted against manufacturing defects for 1 year. |
C**.
Work with almost any window !
Tons of different size adapters make installation very easy and should adapt to almost any crank out window. Used with some older Andersons that the originals were stripped out and won’t tighten and all other replacements did not fit. With these handles and some wd-40 in all of the mechanical areas the windows are now opening and closing beautifully.
M**Y
Cheap price and cheaply made. Spend a little more and get some quality
Poorly structured together and not very sturdy material. Once you finally find one that fits it doesn't truly fit. It's a battle to crank. Open the window and then to close it. Pretty rickety. I'm returning and will spend the extra few dollars to get solid ones.
K**.
perfect replacement for existing window cranks
Our house is twenty five years old and our window cranks are wearing out. These window cranks are the perfect fit. They are not only attractive but they are easy to change out and are quite durable as well. The white color matches our window frame color perfectly. The fold in easily to accommodate the wood blinds on the window. The price is reasonable as well. You will not be dissapointed.
R**Y
They work
Shipping was quick and the product is ok, just seems to be a little cheap the way it works. The inserts are plastic and I have to keep tightening the screws for them to work but they do work.
F**T
So so quality
6 out of 9 of my cranks came with permanent, blue staining caused by contact with the blue printing of the packaging. Could not remove with isopropyl alcohol nor acetone. Strike one. They have a considerable amount of play in the joints -- so much so that I won't be surprised if the thin roller pins start coming out after a year. As they are cast from low quality pot metal, be really careful tightening down the set screws: might be easy to strip the threads.
A**A
Perfect
I’ve been trying to find new cranks for my old windows for years. I was so happy to find these I grabbed the set and they came in rather quickly. They have multiple fittings which was great found the right size pretty quick! They work so well I got white ones and they go well with my living room color! They seem to be pretty sturdy and love the fact they fold down
A**.
Prevent blinds from getting stuck on casement crank.
We have vertical blinds on our casement windows and they always get caught on the crank. Since this one folds it no longer catches the blinds. The right size plastic insert did need some persuasion to fit (rubber mallet) but at least it's nice and tight fit. I wasn't sure what size the stud was so it's was nice to have multiple size inserts to try. Update 8/24/25. The pin holding the two halves backed out and the hole itself is worn. The casting isn't durable enough to withstand daily use. Great idea but needs to be made of better material or a different joint design. Dropped 2 stars for this. I expect the other cranks to have the same issues over time.
R**S
Collapsing handle upgrade
Perfect application for windows
安**田
各サイズのスピンドルが用意してあるので、ほぼ対応可能な商品だと思います。
L**.
no compren no sirve se cae
P**E
Worked well. Was able to use one of the parts. Window opens and closes.
D**N
do not buy, product is very low quality, broke within the first day of using it. Has plastic internals, my window is a bit hard to open and requires lots of pressure, plastic piece was not able to withstand and kept ripping off.
M**H
Installed the handle only to have it snap at the folding point after one week of use. Useless product.
Trustpilot
Hace 3 semanas
Hace 5 días