what is the dimensions , L X W X H?

10.25" x ~4.75" x ~2.75"The W and H are a little shorter than mentioned, but I was being lazy. I use this rack for holding test tubes for aquarium chemical level tests. Works pretty well for me. Kind flimsy if you don't put in the middle shelf. It's strong enough for me to carry it with one hand from one of the legs.The top of the first shelf is about .5" off the table. The top of the top shelf is 2.5" off the table.

Would this be able to hold up a tube that's 15 cm long? I want to make sure the tubes I use arent too long.

I purchased this rack intending to use it for 15 cm tubes of beads, however I found it is not ideal for tubes that long. It will hold them, but they flop around a lot and this causes the "shelves" of the rack to start sliding out. A taller rack or one with shelves that were fixed in place would be better.

Is this autoclavable?

No, it is light duty plastic I would not trust for an autoclave.

can top slide be left off so that essential oil roller vials could fit?

Hello Delores, Thank you for your interest in our product. This rack is detachable, therefore, you would be able to take off the top slide.

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Description

🧬 Elevate your lab game with the ultimate test tube rack!

PRECISION FIT - Engineered for 15-17mm tubes, ensuring a snug, stable hold every time.
MODULAR FLEXIBILITY - Detachable design lets you customize your workspace and scale up or down instantly.
MAX CAPACITY MASTERY - Organize up to 50 test tubes with ease, perfect for busy labs and multitasking pros.
LIGHTWEIGHT DURABLE - Ultra-light 0.28g plastic rack that’s easy to handle yet built to last.
CRYSTAL CLEAR VISIBILITY - Transparent plastic lets you monitor samples at a glance without disruption.

The Karter Scientific 208U2 is a clear plastic test tube rack designed to hold 50 tubes sized 15-17mm. Lightweight at just 0.28g, it features a detachable design for flexible lab setups, combining durability with practical visibility for efficient sample management.

Specifications

Manufacturer	Karter Scientific
Part number	208U2
Item Weight	0.28 g
Package Dimensions	26.7 x 12.8 x 2.59 cm; 0.28 g
Item model number	208U2
Size	15/18mm
Colour	Clear
Style	15/18mm Rack, 50 Holes - Single
Material	Plastic
Item Package Quantity	1
Measurement System	US
Batteries included?	No
Batteries Required?	No