ARANA Toolbox Lift Supports 17in Replacement Struts for Knaack Storagemaster 89 — 2-Pack, Gas‑Assist Smooth Lift

ARANA 977-2PK are two 17-inch gas-assist lift supports designed to replace OEM struts on Knaack Storagemaster 89 and similar heavy-duty toolboxes, making lid opening smoother and safer.

These replacement toolbox struts from ARANA restore controlled lifting and secure holding of heavy lids without complex tools or lengthy installation. Built as a direct-fit option for Knaack Storagemaster Toolboxes, the pair comes ready with an installation guide and a 365-day support promise from ARANA. The 17.0 inch center-to-center extension provides consistent performance in workshop and jobsite environments where dependable lid support matters.

How do these struts improve lid handling on heavy toolboxes?

ARANA lift supports reduce the force needed to raise a heavy toolbox lid and hold it open at a stable angle, preventing sudden closures. They provide predictable damping so the lid rises smoothly and stays in place for safe access to contents.

• Smooth, gas-assist opening and controlled descent
• Positive hold to stop lids from slamming shut
• Reduced wear on hinges and lid hardware
• Consistent performance across repeated cycles

Will these fit my Knaack Storagemaster 89 or other toolboxes?

The ARANA 977-2PK is specified with a 17.0-inch center-to-center extension to match the common mounting geometry of Knaack Storagemaster 89 lids. They are intended as an OEM replacement where the same length and mounting style are used.

• 17.0" center-to-center extension length for correct fit
• Compatible with Knaack Storagemaster 89 and similar heavy lids
• Direct-replacement design labeled 977-2PK
• Check your toolbox mounting points before purchase

How simple is installation and what comes in the package?

Installation is straightforward and requires basic hand tools; the package includes two struts and a printed installation guide to help align mounting points. Typical installation involves removing the old struts, positioning the new units, and attaching the factory-style ball sockets or brackets.

• Package contents: 2 x ARANA 977-2PK struts, 1 x installation guide
• No special tools required beyond common wrenches or pliers
• Quick swap-in for existing ball-stud or bracket mounts
• Visual alignment and torque checking recommended after fit-up

What kind of support and durability can I expect?

ARANA supplies a one-year (365 days) support commitment with these struts, offering assistance for fit or quality issues. The gas-assist construction is designed for repetitive use in jobsite and workshop conditions, delivering reliable lift assistance over many cycles when installed and used as intended.

• 365-day ARANA support for quality or installation questions
• Engineered for frequent lid cycles in heavy-duty settings
• Corrosion-resistant finishes extend service life in outdoor use
• Replace in matched pairs for balanced performance

Who is this for: The ARANA 977-2PK set is aimed at contractors, fleet managers, and tradespeople who use Knaack Storagemaster 89 or similar heavy-duty toolboxes and need a reliable, direct-replacement lift support. It also suits DIY owners maintaining workshop cabinets or on-site storage chests who want a safe, easy-to-install upgrade to restore smooth lid operation.