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🔄 Fold, Fit, and Forget – The Ultimate Crank Handle Upgrade
The Prime-Line H 3962 is a modern, diecast alloy steel folding crank handle designed for universal compatibility with most casement windows. Featuring a compact foldable design to avoid window blind obstruction, it extends 2.75 inches for comfortable operation. Its versatile adapter system and secure set screw attachment make installation quick and reliable, backed by a 1-year warranty for peace of mind.




























| ASIN | B00852EXUS |
| Additional Features | Easy to Install |
| Best Sellers Rank | #37,230 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #62 in Window Dressing Hardware |
| Brand | PRIME-LINE |
| Brand Name | PRIME-LINE |
| Color | White |
| Customer Reviews | 3.8 out of 5 stars 1,509 Reviews |
| Exterior Finish | Painted |
| Finish Types | White |
| Global Trade Identification Number | 00049793039620 |
| Handle Attachment Mechanism | Screw-based |
| Handle Material | Alloy Steel |
| Handle Type | Folding |
| Included Components | Crank Handle |
| Item Depth | 2.75 inches |
| Item Dimensions L x W | 2.75"L x 0.75"W |
| Item Type Name | Crank Handle |
| Item Weight | 2.7 Ounces |
| Manufacturer | Prime-Line Products |
| Manufacturer Part Number | FBA_H 3962 |
| Manufacturer Warranty Description | Goods are warranted against manufacturing defects for 1 year. |
| Material | Diecast |
| Material Type | Diecast |
| Metal Type | Alloy Steel |
| Model Number | H 3962 |
| Number of Items | 1 |
| Product Dimensions | 2.75"L x 0.75"W |
| Projection Distance | 2.75 Inches |
| Shape | Spline |
| Specific Uses For Product | Window |
| Style | Modern |
| Style Name | Modern |
| UPC | 049793039620 |
| Unit Count | 1.0 Count |
C**B
Nice easy upgrade
Old azz crank window handle was trash and really big which was annoying since it pushed into a new blind that was installed. This was just what I needed and was easy to install. Had different options too. The color is so much nicer than old crap handle too.
E**O
Manibelas para ventas
Lo recomiendo
D**Z
Does the job!
Good, does the job. But the plastic inserts eventually will strip in a short time. Especially if used frequently!
J**E
Plastic adapters are absolute trash
If you're lucky, you can get one to five cranks of a window with one of these. I followed all of the instructions to apply this product to three different brands of window, and the plastic inserts shredded to pieces very quickly. The supplier likes to say "the set screw is required for proper operation," but that's NOT what the set screw on most windows is for. The set screw is meant to prevent vertical movement of the handle so that it does not come off of the post it is attached to. It is not to be used for securing the handle during rotational movement. The interlocking "teeth" on the post and the handle are supposed to be doing that. As the "teeth" on this product are thin strips of trash-bag quality plastic, they don't do the job. I suppose, if you had brand new, very light, very-well greased windows, these could last six months to a year, but in a real window, in a real house, in the real world, these are just useless toys.
A**7
works but for how long?
My Peachtree Windows went out of business and used a non-standard smaller 9/32 spline drives. This kits includes an insert for this unique size which is great however all inserts are plastic so I have SERIOUS doubts how long they will work (plastic doesn't tend to fare well when meshing with steel). I doubt they will even last a year given how fine the plastic spline is so I wish I had a few more inserts for me to replace as needed. I ended up buying a pair of these folding cranks (cranks are decent quality metal) for a pair of Windows that we never open but like to keep small plants on that ledge so the folding handle can helkp us here and looks decent as a matched pair. Now I have 2 OEM Peach tree cranks to use on more frequently opened windows in my home.
C**W
Perfect solution when you don't want the handle to protude.
Perfect solution for a tight space. Easy to install.
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.
W**Z
Design flaw
Flexible product with the included adapters. However, the pin holding folding handle keeps coming out. I've re-pinned with a pliers repeatedly, but if eventually fell out and the folding part of the handle fell off. Only had for a couple of months. Second, the adapters are plastic and you screw the set screw through them. Hard to get set screw tight enough.
安**田
ちゃんと簡単に取付できました。
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。
R**K
Works
Does the job, only 4 star as it sticks out even further than the orginal handle despite being folded. So if you plantation blinds or roller blinds it may snag.
C**.
TRAVELLER
Fits Ok however there is way to much play in the swing arm joint.
H**Y
poignée
J'ai une fenêtre dont la poignée était manquante. Ce produit ayant des bouchons de différentes dimensions, a permis d'avoir le bon ajustement et la couleur est exactement pareille.
A**R
Perfect Replacement and Easy to Install
Great replacement handle! It fit my casement window perfectly and was very easy to install. The folding design works smoothly and doesn’t get in the way of blinds or curtains. The white finish also matches my window frame nicely. Solid quality and excellent value for the price.
Trustpilot
3 weeks ago
1 month ago