Does anyone have expereince and know the max size beaker this can fit? 100ml, 150ml, 250ml, or 400ml?

The width of the fully opened prongs is about 9.4 cm, so it should fit up to 400 ml and possibly even 600 ml Pyrex beaker.

How long is it? How short can it be adjusted to?

It is a fixed length so you will need to adjust your set up. Measure from the plate w/flat screw head to the base of the 3 prongs, there is also a fine ajustment flange screw on the shaft between the 2 points you measured from to start . Hope it helps. Steve

How far from the vertical rod is the gripping point? In other words, if grasping a test tube, what is the clearance between it and the vertical rod?

For a test tube and a vertical rod each having a diameter of about 5/8 inch (1.6 cm), the clearance will be approximately 5.4 inches (13.7 cm).

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Eisco Lab Clamp for Lab Stand, Beaker Holder or Flask Clamp - Heat Resistant PVC Coated Prongs for Holding Objects up to 3.5 Inch Diameter - Boss Head Connects to Lab Stand Rods

Eisco Lab Clamp for Lab Stand, Beaker Holder or Flask Clamp - Heat Resistant PVC Coated Prongs for Holding Objects up to 3.5 Inch Diameter - Boss Head Connects to Lab Stand Rods

Product ID: 4250502

Details

Brand
EISCO
Color
Black Metallic
Global Trade Identification Number
Item Weight
5.6 ounces
Item dimensions L x W x H
9 x 2 x 3
Material
Die Cast Alloy

📏3.5-inch wide jaws fit diverse glassware

♻️Heat-resistant PVC coating up to 100°C

🛠️Die cast alloy for unmatched durability

9.88 OMR

Duties & taxes included

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Description

🔬 Clamp in Confidence — Hold, Heat, and Rotate Like a Pro!

UNIVERSAL GRIP - Wide 3-finger jaws open to 3.5 inches, securing everything from beakers to flasks with ease.
HEAT RESISTANT HOLD - PVC-coated prongs provide a slip-free grip and withstand short bursts of heat up to 100°C.
LAB GRADE VERSATILITY - Trusted by professionals, perfect for classrooms and home labs—join the elite circle of precision.
ROCK SOLID DURABILITY - Die cast alloy construction resists corrosion and stands the test of time.
360 SWIVEL FLEXIBILITY - Swivel bosshead rotates clamped objects fully, offering maximum positioning freedom on rods up to 15mm.

The Eisco Lab Clamp features a durable die cast alloy frame with wide 3.5-inch jaws and heat-resistant PVC-coated prongs, designed to securely hold various lab glassware. Its 360° swivel bosshead attaches to rods up to 15mm, providing versatile positioning for professional, educational, and home laboratory use.

Specifications

ASIN	B00AWS3QV0
Best Sellers Rank	#46,012 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Lab Beaker Clamps
Brand Name	EISCO
Color	Black Metallic
Customer Reviews	4.6 4.6 out of 5 stars (728)
Global Trade Identification Number	00849230027957
Included Components	Product
Item Dimensions	9 x 2 x 3 inches
Item Weight	5.6 ounces
Manufacturer	Eisco
Manufacturer Part Number	CH0688
Material Type	Die Cast Alloy
Model Number	CH0688
Style Name	Adjustable
Tensile Strength	1500 psi
UPC	849230027957

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