The WOLO Handy Horn is a compact, portable air horn built for quick use on any job site. With its simple push-button operation and powerful sound, it’s perfect for signaling crew members, warning nearby personnel, or ensuring safety around active blast zones and heavy machinery. This horn doesn’t need wiring or installation — just grab it and go. It’s lightweight, durable, and easy to store in your vehicle, workshop, or tool bag. The WOLO Handy Horn uses a replaceable canister of compressed air, giving you strong, consistent performance every time you need to get someone’s attention.Perfect for use in surface or underground mines, construction zones, and anywhere safety signaling or quick communication is critical.
Terms & Conditions

Non-Flammable
Non-Toxic
Non-Sparking
Case Studies
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Reduce Ore Loss & Dilution in Mining
Discover how a major South American copper mine cut ore loss by 36.6% and saved over $42,000 using MTi’s BLASTBAG™ technology.
Reduce Ore Loss & Dilution in Mining
Discover how a major South American copper mine cut ore loss by 36.6% and saved over $42,000 using MTi’s BLASTBAG™ technology.
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Flyrock Reduction in Surface Blasting
BLASTBAG™ air decking cut flyrock incidents to near zero and reduced charge per hole by 33 lbs, enabling safer blasting at a West African gold mine.
Flyrock Reduction in Surface Blasting
BLASTBAG™ air decking cut flyrock incidents to near zero and reduced charge per hole by 33 lbs, enabling safer blasting at a West African gold mine.
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Solving Hard Digging
MTi’s BLASTBAG™ cut dig times by 21% and reduced costs by 8% at a South Kalimantan mine.
Solving Hard Digging
MTi’s BLASTBAG™ cut dig times by 21% and reduced costs by 8% at a South Kalimantan mine.
Learn
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Pre‑Split Blasting: What It Is & Why It Matters
Pre-split blasting uses a tight row of light charges to protect your final wall, reduce overbreak, and leave a cleaner, safer face.
Pre‑Split Blasting: What It Is & Why It Matters
Pre-split blasting uses a tight row of light charges to protect your final wall, reduce overbreak, and leave a cleaner, safer face.
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7 Clues You’re Using the Wrong Stemming Plugs
A lot of blast issues trace back to one small part—the stemming plug. Here are 7 clues yours might be failing and costing you performance.
7 Clues You’re Using the Wrong Stemming Plugs
A lot of blast issues trace back to one small part—the stemming plug. Here are 7 clues yours might be failing and costing you performance.
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5 Hidden Costs of Lost Energy
Lost blast energy leads to bigger rock, slower mucking, more wear, and higher cost per ton. Here are five hidden costs every blaster should know.
5 Hidden Costs of Lost Energy
Lost blast energy leads to bigger rock, slower mucking, more wear, and higher cost per ton. Here are five hidden costs every blaster should know.
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