ZZJHJSG U-100 Syringes, 31G, 5/16 in (8 mm), 1 mL, 100 Pack

ZZJHJSG U-100 syringes are listed as 1 mL/cc units with 31G, 5/16-inch (8 mm) needles, sold in a pack of 100. The listing claims individual wrapping, clear scale markings, and a smooth-moving plunger with a reliable seal. Customer feedback also mentions use as a measuring tool, including in mixology, so buyers should confirm the intended application and suitability before use.

At a glance

The listing states a U-100 scale and 1 mL/cc capacity.
The stated needle size is 31G and 5/16 inches (8 mm) long.
Each syringe is claimed to be individually wrapped.
The listing claims clear markings and a plunger designed to move smoothly.

Price

$13.99Save 30%

Reference price: ~~$19.99~~

Price checked: Nov 12, 2026

View offer

Often bought together

CURAD Alcohol Prep Pads, 400 Count, Medium 70% Isopropyl Alcohol Wipes, Individually Wrapped, First Aid Alcohol Swabs for Cuts & Scrapes, Medical Alcohol Pads

$2.49

1 Quart (3-Pack) Sharps Container for Home Use, Needle Disposal Containers | Biohazard Containers, Syringe Disposal, Small Portable Container for Travel, Professional Sharp Waste Disposal Containers

$9.99

Pros and cons

Pros

Individual wrapping is convenient when using units one at a time.
A stated 1 mL/cc capacity and clear scale markings support measuring small volumes.
The listing describes a smooth-moving plunger and reliable seal.

Technical specifications

7 specifications

Identity
Brand	ZZJHJSG

Syringe details
Type	U-100 syringe
Capacity	1ml/cc
Needle gauge	31G
Needle length	5/16" (8mm)
Pack quantity	100

Package dimensions
Dimensions and weight	7.36 x 5.59 x 4.06 inches; 15.52 ounces

What to know before buying

The listing presents these as U-100 syringes but also describes them as suitable for varied settings. Confirm the intended use and that the syringe type and scale match your requirements. The listing's smooth movement, seal, and material claims are not independently verified.

Who is it for?

A good fit for

Buyers seeking a stated 1 mL/cc U-100 syringe in a 100-pack with individually wrapped units.
People who need the listed 31G, 5/16-inch (8 mm) needle size and clear scale markings.

Less suited to

Anyone who needs a different capacity, gauge, needle length, or syringe scale.
Buyers who need independently confirmed performance or durability information.

ZZJHJSG U-100 Syringes, 31G, 5/16 in (8 mm), 1 mL, 100 Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 1,863 ratings

5 stars87%87%
4 stars10%10%
3 stars2%2%
2 stars0%0%
1 star1%1%

Customer feedback describes the syringes as easy to read and use consistently, with positive comments about measurement visibility and functionality. Some customers mention versatility, including use as a measuring tool for mixology. Durability feedback is mixed, with reports ranging from lasting well to falling apart quickly. The readability comments align with the listing's clear-marking claim, but the durability experiences remain a practical uncertainty.

Positive themes

Customers report that the measurement markings are visible and easy to read.
Feedback describes the syringes as useful and versatile, including for mixology.

Mixed feedback

Durability feedback varies, with some customers saying the product lasts and others reporting that it fell apart quickly.

Frequently asked questions

What size syringes are listed?

The listing identifies U-100 syringes with 1 mL/cc capacity and 31G, 5/16-inch (8 mm) needles.

Are the syringes individually wrapped?

Yes. The listing claims each syringe is packaged separately.

What does the listing say about the plunger and markings?

It claims clear scale markings and a smooth-moving plunger with a reliable seal. These are listing claims, not independently verified performance results.