12 Pcs Silicone 1/4", 5/16" Stud Terminal Covers, Flexible Post Terminal Cover Protector Boot for Battery Power & Ground Junction Block Post, Fits 16-6 Gauge Wire (Red & Black)

Six red boots and six black, twelve in the bag, sized to drop over 5/16 inch and 1/4 inch studs, which the supplier tags M8 and M6. Each one takes wire measuring between 0.13 and 0.3 inches across, 3.3 to 7.6 millimetres, which the supplier equates to 16 through 6 gauge. A flexible cover is close to the least costly thing you can put between a dropped spanner and a live stud.

The word incidental is doing real work

Quote the protection claim carefully and it reads: protects battery and alternator connections from incidental shorting and corrosion. Incidental is the operative term. The search listing drops it and says these guard against shorts, which is a far larger promise than the description supports. We have kept the qualifier, because a cover pushed over a stud stops the accidental touch; it is not an insulation system.

Heat is the sole figure attached

The material is silicone rubber and it is rated from -40 °C to 105 °C. That temperature span is the one number the supplier puts against these covers. No voltage or dielectric rating comes with them, no hardness, no ultraviolet or flammability class and no ingress figure, on a part whose whole purpose is sitting over a live terminal. Treat them as a physical barrier with a known heat range.

A hole in the fitment sentence

The source sentence runs: designed to fit over, then two spaces, then or others, and only then the stud sizes. A word has dropped out of the stored text at that point, most likely a make or brand, and both of the spaces around it are still standing, which is what makes it a gap. No word has been guessed at in its place. The fitment printed above is built from the stud sizes and the wire window instead, both of which survived intact.

Key features

• Twelve covers, two colours: six red and six black, enough to colour-code a whole set of studs to your own scheme.
• Two stud sizes covered: one bag handles both the 5/16 inch and the 1/4 inch posts.
• Wide wire window: anything from 16 to 6 gauge falls inside the diameter range quoted.
• Silicone rubber: the stated material, and the reason the boot stretches over a nut instead of splitting.
• On and off easily: described as flexible to fit and equally easy to pull back off for service.
• Wide heat range: a span that reaches from hard frost to well past under-bonnet soak.

Specifications

• Pieces in the bag: 12, being 6 red and 6 black
• Rubber used: silicone
• Stud sizes: 5/16 in (M8) and 1/4 in (M6)
• Wire diameter taken: 0.13 in to 0.3 in, being 3.3 mm to 7.6 mm
• Wire gauge quoted: 16 to 6
• Temperature rating: -40 °C to 105 °C
• Uses listed: alternators, starters, junction post block distribution, electrical equipment, solar cells

Small print, plainly put

• The search listing says these guard against shorts. The description says incidental shorting, and the narrower version is what appears above.
• There is no voltage or dielectric rating whatever, which on an insulating boot is the gap that matters most.
• No hardness figure, no ingress rating, no ultraviolet or flammability class, and no standard behind the temperature figure.
• The phrase about boots cut to fit a wire diameter describes the range they are made to, not a job for you. Nothing asks you to trim them.
• Three places in the source lost a word while keeping both spaces around it: a connector between the red and black counts, another connector between battery power and ground, and whatever stood before or others in the fitment sentence above. Each is a gap rather than a fusion, and none of the three damaged tokens has been repeated above.
• The imperial and metric stud sizes are trade partners, not equals: 5/16 inch is 7.94 millimetres beside M8, and 1/4 inch is 6.35 beside M6.
• Boot length, outside diameter and weight are all missing, leaving clearance against a crowded terminal impossible to check before delivery.
• Warnings and fitting procedures are both entirely absent, from first line to last.

Bought as a bag rather than a pair, these are for the person doing every stud under the bonnet in one go instead of covering the one that already sparked.

Returns, Refunds, and Replacements Products that are received faulty, damaged, or not as described are eligible for a return, refund, or replacement in accordance with the Australian Consumer Law (ACL). We are committed to ensuring all products meet the standards of quality and reliability expected by our customers. However, please note that we do not accept returns or provide refunds for change of mind. We encourage you to carefully consider your purchase to ensure it meets your needs and expectations.

Delivery Timeframe

Please note that we cannot guarantee the exact date of arrival, and the delivery timeframes (excluding weekends and public holidays) are as follows:

For customers in Victoria, approximately 7-10 working days; For customers in NSW, SA, ACT, and QLD, approximately 9-12 working days; For customers in WA, NT, and TAS, approximately 9-12 working days.