PROTO Flare Nut Wrench: Alloy Steel, Black Oxide, 10 mm Head Size
The PROTO J3810M is a metric, single-end, ratcheting 12-point flare nut wrench made from alloy steel with a black oxide finish. It features a 10 mm head size and a 5 1/2 in overall length.
SKU 3G-OTH-313278
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Product Description
The PROTO J3810M is a metric, single-end, ratcheting 12-point flare nut wrench made from alloy steel with a black oxide finish. It features a 10 mm head size and a 5 1/2 in overall length.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the PROTO J3810M flare nut wrench used for?
The PROTO J3810M is a metric, single-end, ratcheting 12-point flare nut wrench designed for tightening or loosening flare nuts on brake lines, fuel systems, and hydraulic fittings. Its 10 mm head size and ratcheting mechanism allow one-handed operation in confined spaces, making it ideal for automotive and industrial maintenance.
What are the specifications of the PROTO J3810M flare nut wrench?
The PROTO J3810M is a metric, single-end, ratcheting 12-point flare nut wrench made from alloy steel with a black oxide finish. It has a 10 mm head size and a 5 1/2 in overall length. The manufacturer part number is J3810M, and it is not a reversible ratcheting tool.
Where to buy the PROTO J3810M flare nut wrench worldwide?
You can source the PROTO J3810M flare nut wrench through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this PROTO tool.
How to maintain the PROTO J3810M flare nut wrench?
To maintain the PROTO J3810M flare nut wrench, clean it after use with a dry cloth to remove debris and moisture. Apply a light coat of rust-preventive oil to the black oxide finish and ratcheting mechanism. Store in a dry environment to prevent corrosion. Avoid using the wrench on damaged or oversized fasteners.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO metric, single end, ratcheting 12-point flare nut wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.












