LabLok™ 3-Prong Heavy Duty Extension Clamps

LabLok™ 3-Prong Heavy Duty Extension Clamps

LabLok™ 3-Prong Heavy Duty Extension Clamps securely hold laboratory glassware and apparatus during research, testing, and educational applications. The three-prong design provides a wide gripping range, with single-wingnut or dual thumbscrew adjustment for precise positioning. Each clamp includes an extension rod, removable vinyl sleeves, and fiberglass sleeves for temperatures above 100°C. Ideal for routine chemistry, teaching labs, and general-purpose clamping. Note: An additional connector (not included) is required for attaching clamps to the support stand apparatus.

Nickel-plated zinc construction
Three-prong design
Available with single wingnut or dual thumbscrew adjustment
Wide grip adjustment range
Gradual grip adjustment for precise positioning
Includes removable non-slip vinyl sleeves
Fiberglass sleeves included for temperatures above 100°C
Offered in small, medium & large sizes

Item #	Description	Catalog Pg.	Price
Item 100632	Small LabLok™ Heavy-Duty 3-Prong Extension Clamp with Single Wingnut Adjustment, 160mm L 35.44/Each Out of Stock (On Order) Save 5% when you buy 3+ Save 10% when you buy 6+ Save 15% when you buy 18+	NEW	35.44/Each Out of Stock (On Order)
Item 100633	Medium LabLok™ Heavy-Duty 3-Prong Extension Clamp with Single Wingnut Adjustment, 218mm L 36.89/Each Out of Stock (On Order) Save 5% when you buy 3+ Save 10% when you buy 6+ Save 15% when you buy 18+	NEW	36.89/Each Out of Stock (On Order)
Item 100634	Large LabLok™ Heavy-Duty 3-Prong Extension Clamp with Single Wingnut Adjustment, 254mm L 39.09/Each Out of Stock (On Order) Save 5% when you buy 3+ Save 10% when you buy 6+ Save 15% when you buy 18+	NEW	39.09/Each Out of Stock (On Order)
Item 100635	Small LabLok™ Heavy-Duty 3-Prong Extension Clamp with Dual Thumbscrew Adjustment, 170mm L 35.63/Each Out of Stock (On Order) Save 5% when you buy 3+ Save 10% when you buy 6+ Save 15% when you buy 18+	NEW	35.63/Each Out of Stock (On Order)
Item 100636	Medium LabLok™ Heavy-Duty 3-Prong Extension Clamp with Dual Thumbscrew Adjustment, 230mm L 39.63/Each Out of Stock (On Order) Save 5% when you buy 3+ Save 10% when you buy 6+ Save 15% when you buy 18+	NEW	39.63/Each Out of Stock (On Order)
Item 100637	Large LabLok™ Heavy-Duty 3-Prong Extension Clamp with Dual Thumbscrew Adjustment, 266mm L 47.11/Each Out of Stock (On Order) Save 5% when you buy 3+ Save 10% when you buy 6+ Save 15% when you buy 18+	NEW	47.11/Each Out of Stock (On Order)
Item 100638	Self-Contained Hot Air Welders with Quick Change Nozzles 48.96/Each Out of Stock (On Order) Save 5% when you buy 3+ Save 10% when you buy 6+ Save 15% when you buy 18+	NEW	48.96/Each Out of Stock (On Order)
Item 100639	Large LabLok™ Heavy-Duty Long Arm 3-Prong Extension Clamp with Dual Thumbscrew Adjustment, 445mm L 52.15/Each Out of Stock (On Order) Save 5% when you buy 3+ Save 10% when you buy 6+ Save 15% when you buy 18+	NEW	52.15/Each Out of Stock (On Order)

Note: Product testing for individual applications is recommended before use. U.S. Plastic Corp. cannot be held liable for individual application failures.