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

Product ID: 4250502

Details

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

📏3.5-inch wide jaws fit diverse glassware

♻️PVC coating resists heat & prevents scratches

🛠️Die cast alloy for unmatched durability

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Duties & taxes included

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Sold byAmazon IsraelDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔬 Secure your science with style and strength!

LIGHTWEIGHT YET MIGHTY - At just 0.35 lbs, this clamp offers heavy-duty tensile strength (1500 PSI) without weighing down your setup.
360 SWIVEL FLEXIBILITY - Swivel bosshead rotates fully, giving you ultimate control and positioning on lab rods up to 15mm.
FITS BIG SMALL GLASSWARE - Wide 3-finger jaws open up to 3.5 inches, accommodating everything from beakers to flasks effortlessly.
ROCK SOLID GRIP ZERO SLIP - PVC-coated prongs ensure a secure hold without damaging your glassware—perfect for precision work.
BUILT TO LAST BUILT FOR LABS - Die cast alloy construction resists corrosion and withstands rigorous daily use in professional settings.

The Eisco Lab Clamp combines durable die cast alloy construction with heat-resistant PVC-coated prongs to securely hold glassware up to 3.5 inches in diameter. Featuring a 360° swivel bosshead compatible with rods up to 15mm, it offers versatile positioning for professional labs, classrooms, and home experiments. Lightweight yet robust, it delivers a slip-free grip and corrosion resistance, making it a top choice for precise and reliable lab setups.

Specifications

ASIN	B00AWS3QV0
Best Sellers Rank	#36,679 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 (729)
Global Trade Identification Number	00849230027957
Included Components	Product
Item Dimensions	9 x 2 x 3 inches
Item Weight	0.35 Pounds
Manufacturer	Eisco
Manufacturer Part Number	CH0688
Material Type	Die Cast Alloy
Model Number	CH0688
Style Name	Adjustable
Tensile Strength	1500 Pounds Per Square Inch
UPC	849230027957

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