---
product_id: 16186263
title: "Self-Retracting Safety Utility Knife (SK-4) - Multi-Purpose Semi-Auto Box Cutter w/Self Retractable Blade & Non Slip Handle, Replacement Blades: OLFA SKB-2, SKB-2S, RSKB, & HOB Safety Blades"
brand: "olfa"
price: "S$23"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/16186263-self-retracting-safety-utility-knife-sk-4-multi-purpose-semi
store_origin: SG
region: Singapore
---

# Razor-sharp carbon steel blade Non-slip textured handle grip Self-retracting blade for max safety Self-Retracting Safety Utility Knife (SK-4) - Multi-Purpose Semi-Auto Box Cutter w/Self Retractable Blade & Non Slip Handle, Replacement Blades: OLFA SKB-2, SKB-2S, RSKB, & HOB Safety Blades

**Brand:** olfa
**Price:** S$23
**Availability:** ✅ In Stock

## Summary

> 🔪 Cut smarter, safer, sharper — the OLFA edge you can’t afford to miss!

## Quick Answers

- **What is this?** Self-Retracting Safety Utility Knife (SK-4) - Multi-Purpose Semi-Auto Box Cutter w/Self Retractable Blade & Non Slip Handle, Replacement Blades: OLFA SKB-2, SKB-2S, RSKB, & HOB Safety Blades by olfa
- **How much does it cost?** S$23 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/16186263-self-retracting-safety-utility-knife-sk-4-multi-purpose-semi)

## Best For

- olfa enthusiasts

## Why This Product

- Trusted olfa brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Cut with Confidence:** Spring-activated blade retracts instantly to prevent accidents and keep you safe on the job.
- • **Precision Edge Mastery:** Preloaded SKB-2 carbon steel blade delivers unmatched sharpness and flips for left or right-handed use.
- • **The Original Cutting Standard:** From the inventors of the snap-off knife, OLFA guarantees durability and lifetime performance with every cut.
- • **Versatile Heavy-Duty Performer:** Effortlessly slices through cardboard, shrink wrap, tape, rubber, and more — perfect for pros who demand reliability.
- • **Ergonomic Grip, All Day Comfort:** High-impact ABS handle with textured, non-slip design ensures fatigue-free cutting in any environment.

## Overview

The OLFA Self-Retracting Safety Utility Knife (SK-4) features a spring-loaded blade that retracts automatically for enhanced safety, a razor-sharp carbon steel blade preloaded for ambidextrous use, and a durable, non-slip ABS handle designed for heavy-duty commercial and industrial cutting tasks. Compatible with multiple OLFA replacement blades and backed by a lifetime guarantee, it’s the trusted tool for professionals who value precision and protection.

## Description

OLFA Self-Retracting Safety Utility Knife (SK-4) - Multi-Purpose Semi-Auto Box Cutter w/Self Retractable Blade & Non Slip Handle, Replacement Blades: OLFA SKB-2, SKB-2S, RSKB, & HOB Safety Blades

## Features

- SELF-RETRACTING BLADE - This safety knife's spring-activated blade retracts when lifted from the cutting surface, minimizing accidents and unwanted cuts. The powerful stainless steel return spring ensures tension and elasticity are maintained.
- RAZOR SHARP BLADE - Our knife is preloaded with an SKB-2 Safety Blade made from high-quality carbon tool steel for unparalleled sharpness and superior edge retention. Simply flip the blade 180 degrees to switch from right to left-handed preference.
- STURDY PLASTIC HANDLE - This sturdy utility knife has a high-impact handle made from ABS plastic. The textured design provides a comfortable, non-slip grip in your hand. The stainless steel channel keeps the blade securely in place during use.
- MULTIPURPOSE HEAVY DUTY DESIGN - The box cutter can be used for commercial, industrial, and retail applications. Great for cutting light and heavy duty materials like cardboard, shrink wrap, tape, strapping, film, rubber belting/hosing, and more.
- THE OLFA STANDARD - As the original inventor of the Snap-Off Knife, OLFA has maintained a standard of cutting excellence for our quality and durability. Pairing your OLFA Safety Knife with OLFA Safety Blades will provide optimal results.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Alloy Steel |
| Brand | OLFA |
| Color | Stainless Steel |
| Item Length | 5 Inches |
| Handle Material | Stainless Steel,Abs,Plastic,Rubber,Steel,Plastic Handle |
| Blade Material | Carbon Steel |
| Item Weight | 0.15 Pounds |
| Manufacturer | OLFA |
| UPC | 091511400625 |
| Global Trade Identification Number | 00091511400625 |
| Part Number | 886100100 |
| Item Weight | 2.4 ounces |
| Item model number | 9048 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Measurement System | metric |
| Included Components | SKB, RSKB, HOB-2 Replacement Blades |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | guaranteed forever |

## Product Details

- **Material:** Alloy Steel
- **Brand:** OLFA
- **Color:** Stainless Steel
- **Item Length:** 5 Inches
- **Handle Material:** Stainless Steel,Abs,Plastic,Rubber,Steel,Plastic Handle
- **Blade Material:** Carbon Steel
- **Item Weight:** 0.15 Pounds
- **Manufacturer:** OLFA
- **UPC:** 091511400625
- **Global Trade Identification Number:** 00091511400625

## Images

![Self-Retracting Safety Utility Knife (SK-4) - Multi-Purpose Semi-Auto Box Cutter w/Self Retractable Blade & Non Slip Handle, Replacement Blades: OLFA SKB-2, SKB-2S, RSKB, & HOB Safety Blades - Image 1](https://m.media-amazon.com/images/I/61M7fqwQLfL.jpg)

## Frequently Bought Together

- OLFA Self-Retracting Safety Utility Knife (SK-4) - Multi-Purpose Semi-Auto Box Cutter w/Self Retractable Blade & Non Slip Handle, Replacement Blades: OLFA SKB-2, SKB-2S, RSKB, & HOB Safety Blades
- OLFA 9614 SKB-2 Dual-Edge Blade, Standard, Steel (Pack of 50)
- OLFA PRDO. 1086095 OLFA SK-9 Self-Retracting Safety Knife with Tape Slitter, 0.75" Cutting Depth, Yellow

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-23*