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  • Photograph of a small 3-Prong Dual Adjust Heavy-Duty Laboratory Clamp.
  • Photograph of a medium 3-Prong Dual Adjust Heavy-Duty Laboratory Clamp.
  • Photograph of a large 3-Prong Dual Adjust Heavy-Duty Laboratory Clamp.

3-Prong Dual Adjust Heavy-Duty Laboratory Clamp

Item #: 22101

Normal Availability: 2-3 business days

Product Description

These nickel-plated zinc UltraJaws heavy-duty clamps features an innovative closed yoke construction that minimizes contamination and corrosion of internal components. The unique design enables secure gripping and positioning with added strength and durability. The design permits precise pressure regulation when gripping glassware surfaces to reduce chance of breakage and opens gradually without binding.

UltraJaws Clamps are constructed with extension rods for easy attachment to lab-frames and other apparatus. Supplied with non-slip vinyl sleeves, and for temperatures above 100 °C, fiberglass covers. Clamp holder sold separately.

Size Grip size Prong width Arm Length Arm Diameter Overall length Recommended
joint sizes
Small 0 to 32 mm
(0 to 1.26")
6 mm
102 mm
8 mm
152 mm
10/30, 12/30, 14/20, 19/22,
24/40, 29/42, 34/45
Medium 0 to 70 mm
(0 to 2.76")
19 mm
127 mm
11 mm
222 mm
24/40, 19/38
Large 0 to 103 mm
(0 to 4.06")
29 mm
127 mm
11 mm
260 mm

WARNING: OHAUS products can expose you to chemicals including the chemicals listed in this Table, which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to

These and other Proposition 65 chemicals may be present only in residual amounts, or contained internally in OHAUS equipment, or encapsulated in another material where exposure is unlikely or negligible. This warning is being provided out of an abundance of caution.

Other Details

Manufactured in: USA

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