--- product_id: 692032003 title: "Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum" brand: "pfcke" price: "203 zł" currency: PLN in_stock: true url: https://www.desertcart.pl/products/692032003-bottle-jack-valve-release-screw-knob-for-harbor-freight-hydraulic store_origin: PL region: Poland --- # 3/8" Dia CNC Precision 6061 Aluminum Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum **Brand:** pfcke **Price:** 203 zł **Availability:** ✅ In Stock ## Summary > 🔧 Elevate Your Hydraulic Game! ## Quick Answers - **What is this?** Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum by pfcke - **How much does it cost?** 203 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/692032003-bottle-jack-valve-release-screw-knob-for-harbor-freight-hydraulic) ## Best For - pfcke enthusiasts ## Why This Product - Trusted pfcke brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Easy Installation:** Quick 1/4 turn setup with a standard 5/32 hex wrench. - • **Corrosion Resistant:** Durable 6061 aluminum ensures longevity and reliability. - • **Precision Engineering:** Crafted with CNC technology for unmatched accuracy. - • **Satisfaction Guaranteed:** 12-month warranty for peace of mind and customer support. - • **Versatile Compatibility:** Fits 6, 12, or 20 ton mandrel presses and any 3/8" valve release screw. ## Overview The Bottle Jack Valve Release Screw Knob is a high-quality accessory designed for Harbor Freight hydraulic presses. Made from durable 6061 aluminum and featuring precision CNC cutting, this knob ensures easy installation and compatibility with various bottle jacks. With a 12-month warranty, it promises reliability and customer satisfaction. ## Description Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum ## Features - HIGH QUALITY: The hydraulic jack valve release screw knob is made of high quality 6061 aluminum material and CNC cutting technology, the product is highly accurate, corrosion resistant and durable. - EASY INSTALLATION: Slide the hydraulic jack valve release screw knob onto the release screw, turn it 1/4 turn, you need to use a 5/32 hex wrench (Allen wrench) to fix the set screw on the end of the knob in place, then the installation is completed. - WARM NOTE: This part is designed for use with Harbor Freight hydraulic bottle jacks, do not use when lifting vehicles, for hydraulic press applications only! - SUITABILITY FOR: For use on 6, 12 or 20 ton mandrel presses, but will also work on any bottle jack with a 3/8 diameter valve release screw. - BRAND WARRANTY: We offer a 12-month warranty on any quality issues. If you are not satisfied with your product, simply contact us and we will refund or replace the product immediately. If you have any questions about our products, please contact us first, our support team will try our best to help you solve all the problems. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | PFCKE | | Brand | PFCKE | | Model | PSK-QJD | | Product Dimensions | 3.5 x 4 x 3.5 cm; 110.56 g | | Item model number | PSK-QJD | | Manufacturer part number | PSK-QJD | | Item Weight | 110 g | ## Product Details - **Load capacity:** 44 Pounds - **Brand:** PFCKE - **Colour:** Silver - **Item dimensions L x W x H:** 35 x 40 x 35 millimetres - **Manufacturer:** PFCKE ## Images ![Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum - Image 1](https://m.media-amazon.com/images/I/61MQKPLyXLL.jpg) ![Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum - Image 2](https://m.media-amazon.com/images/I/61yR-1-S+gL.jpg) ![Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum - Image 3](https://m.media-amazon.com/images/I/61PHb8DnU4L.jpg) ![Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum - Image 4](https://m.media-amazon.com/images/I/61T9my5oadL.jpg) ![Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum - Image 5](https://m.media-amazon.com/images/I/61Un2mpntEL.jpg) ## Available Options This product comes in different **Size Name** options. ## Frequently Bought Together - Bottle Jack Valve Release Screw Knob for Harbor Freight Hydraulic Press 3/8”Dia Valve Release Screws，Made of 6061 Aluminum - Knob for Bottle Jack Valve Release Screw On Harbor Freight Hydraulic Press Made of 6061 Aluminum (3/8") - GKEEMARS Pneumatic Foot Pedal Valve FV-320 1/4” NPT Threaded Rubber Nonslip Pressure Control Foot Operated Pedal 2 Position 3 Way --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/692032003-bottle-jack-valve-release-screw-knob-for-harbor-freight-hydraulic](https://www.desertcart.pl/products/692032003-bottle-jack-valve-release-screw-knob-for-harbor-freight-hydraulic) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-27*