BUSY-CORNER 407-Piece O-Ring Kit — 32 USA Standard Sizes, Buna-N 70A for Faucet, Plumbing & Automotive

Complete O-Ring Solution for Home and Shop Tasks

Meet the BUSY-CORNER 407-Piece SAE O-Ring Kit, a versatile collection designed to cover a wide range of sealing needs in both professional settings and DIY projects. With 32 common sizes, you can pair a seal to fittings from small faucets to larger machinery without hunting through loose bags. The kit is built around Buna-N 70A material, offering a balance of flexibility and durability for everyday use.

Key features that matter in the real world

• 32 common sizes included, ranging from 1/8in ID x 1/4in OD to 2in ID x 2-1/4in OD
• Nitrile (NBR) 70 Shore (Buna-N 70A) material for reliable sealing and long life
• Resistance to heat, water, oils, fuels, and many hydraulic fluids
• Heavy-duty storage case keeps each size separated and easy to grab
• Wide applicability across plumbing, machinery, hydraulic and pneumatic repairs
• Dedicated customer support to help with sizing and material questions

Practical use and benefits you may notice

In routine repairs or professional projects, selecting the right size O-ring can reduce leaks and improve efficiency. The Buna-N 70A formulation offers flexible sealing at moderate temperatures and in contact with common fluids, making it suitable for faucet repairs, valve seals, pumps, and door or window seals. The organized case design helps you locate the right size quickly, saving time on the job and minimizing misplacement during busy days in the shop or at home.

The set is designed to be versatile for plumbing, automotive, and workshop tasks. While results depend on proper installation and system conditions, this kit provides a solid, ready-to-use starting point for multiple sealing challenges. If you have questions, BUSY-CORNER support is available to help you choose the best size and material for your task.

Quality you can rely on

BUSY-CORNER emphasizes product quality and service. Built with durable Buna-N material and a sturdy storage case, this kit is intended to support frequent use in professional environments as well as home garages. Use it as a core part of your maintenance toolkit and rest easy knowing a broad range of common sizes is readily available when you need them.