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6 in stock
Support Ring Stand, Stamped Steel, Base 4″x6″, Rod 5/16″x18″, and two rings, 3″ and 4″
Dual Scale - For inside and outside measurement in metric or English units. Ideal for learning preci...
3x/6x magnifier. 50mm diameter, dual lens. Made of acrylic dia. 35 mm two magnifier 3x and 5x built ...
Test tube clamps hold fast to test tubes for safe handling.
1" jaw opening. Pack of 4