# TLDR Review: Prime-Line U 9888 Door Lock

*Published: 2025-02-22 | Updated: 2025-02-22 | Source: https://shopsavvy.com/reviews-tldr/prime-line-u-9888-door-lock*

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## Product: Prime-Line U 9888 Door Lock
**Brand:** PRIME-LINE

## Pros
- Easy installation with just a couple of screws required.
- The flip action door lock meets expectations and fulfills specific needs.
- The design is flat when closed, minimizing the risk of injury in tight spaces.
- Effectively enhances child safety compared to previous childproof options.
- Suitable for preventing access for curious children and effective in locking slide-out drawers.
- Provides a cost-effective solution without needing expensive repairs.
- The finish has a professional appearance, perfectly matching gloss door facing.
- Effective flip-lock design provides reliable security.

## Cons
- The lock easily slips out of grooves, especially when the door is pushed from the outside.
- Design is considered poor by some; rated the worst among various locks tried over the years.
- The grooves are not deep enough to securely hold the lock in place.

## Bottom Line

The Prime-Line U 9888 Flip Action Door Lock stands out with its ease of installation and effectiveness in enhancing child safety, particularly praised by a former Disney World security chief. However, some users have noted issues with the grooves not being deep enough, causing the lock to slip occasionally. Overall, it's a cost-effective solution for preventing unauthorized access, especially from curious little ones or for securing slide-out drawers.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Easy installation with just a couple of screws required. | The lock easily slips out of grooves, especially when the door is pushed from the outside. |
| The flip action door lock meets expectations and fulfills specific needs. | Design is considered poor by some; rated the worst among various locks tried over the years. |
| The design is flat when closed, minimizing the risk of injury in tight spaces. | The grooves are not deep enough to securely hold the lock in place. |
| Effectively enhances child safety compared to previous childproof options. |  |
| Suitable for preventing access for curious children and effective in locking slide-out drawers. |  |
| Provides a cost-effective solution without needing expensive repairs. |  |
| The finish has a professional appearance, perfectly matching gloss door facing. |  |
| Effective flip-lock design provides reliable security. |  |

## Current Prices

| Retailer | Price | Availability |
|----------|-------|-------------|
| mrosupreme.com | $2.20  | Check |
| After Hours Auto Parts | $2.49  | Check |
| National Supply Network | $2.55  | Check |
| Ideal True Value Home Center | $2.64  | Check |
| Amazon | $2.88  | Check |
| DK Hardware | $2.94  | Check |
| Max Warehouse | $3.06  | Check |
| R.P. Lumber Company | $3.87  | Check |
| R.P. Lumber Company | $3.87  | Check |
| SupplyHog | $3.87  | Check |
| Shell Lumber and Hardware | $4.12  | Check |
| SIM Supply | $4.25  | Check |
| Shell Lumber and Hardware | $4.29  | Check |
| Ace Hardware | $4.59  | Check |
| stinehome.com | $5.39  | Check |
| Opentip.com | $5.61  | Check |
| Auto Parts and Stuff | $5.99  | Check |
| Store Seven | $5.99  | Check |
| Do it Best | $6.99  | Check |
| Family Hardware | $6.99  | Check |

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*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*