Structure & Surface

Should You Buy 300 Masonry Mortar Joint Spacers for DIY Block and Brick Work?

A 300-piece mortar joint spacer set designed for DIY block and bricklaying. Here's who it suits, what stands out, and the trade-offs to weigh before you buy.

Last updated Aug 17, 2026

When you're laying brick or block, the thickness of the mortar joint affects the look and the overall consistency of the wall. Keeping that joint even across every course is a tedious job, which is why mortar joint spacers exist. The 300 Masonry Mortar Joint Spacers for DIY Block & Bricklaying is one such tool. This review looks at what this set offers, who it helps, and what to consider before adding it to your cement concrete masonry tool kit.

Quick verdict

If you're a DIYer who wants consistent mortar joints without complicated measuring, the 300 Masonry Mortar Joint Spacers are a practical pick. For USD 60.00, you get 300 spacers. It is a simple device for laying cement, concrete, cinder block, and brick. It's a new, US-made product aimed squarely at handymen, homeowners, and do-it-yourselfers.

Who it suits

This set is for anyone planning a DIY block or brick project and wanting to improve joint consistency. It is designed for handymen, homeowners, and do-it-yourselfers. If you've tried to gauge mortar joints by eye, these spacers offer a simple way to keep joint spacing consistent. The 300-count quantity means you won't run out quickly.

What stands out

The biggest strength is the volume and packaging: 15 packs of 20 spacers each, giving you 300 total. That gives you plenty to work with on a long run of block or brick. It works with cement, concrete, cinder block, and brick, so you don't need to source a different spacer for each masonry type. Being a new product made in the United States adds a bit of confidence for shoppers who prefer domestically produced goods.

Meaningful trade-offs

The purchase is a single outlay for the full 300-piece set. If your project is a small garden wall or a few steps, that may be more spacers than you actually need. The product is a simple device, so it's not a powered or adjustable tool; it just sets the joint. You'll still need to handle the mortar and align the blocks themselves.

Product notes

300 MASONRY MORTAR JOINT SPACER'S for DIY Block & Bricklaying

300 MASONRY MORTAR JOINT SPACER'S for DIY Block & Bricklaying

This listing is for the full 300-piece set, priced at USD 60.00, delivered in 15 packs of 20 spacers. It is a simple device for laying cement, concrete, cinder block, and brick. The product is new and made in the United States. For a DIYer with a good-sized project, this quantity is a strong fit. The trade-off is that you're buying the entire 300-count set, so it may be overkill for a very small job.

Bottom line

The 300 Masonry Mortar Joint Spacers are a thoughtful addition to any DIY brick or block project. With 300 spacers, it supports cement, concrete, cinder block, and brick masonry. If you want a simple way to keep mortar joints even and you're comfortable with the quantity, this set is worth ordering for your cement concrete masonry work.

Products in this article
300 MASONRY MORTAR JOINT SPACER'SUSD 60.00View on eBay
300 MASONRY MORTAR JOINT SPACER'SUSD 60.00View on eBay

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