Natural cork stopper for craft, science experiments and cap for glass bottles.

This wooden clamp can be used for tubes from 10mm to 19mm. With a steel spring. Jaws open by thumb pressure. Smooth finish. Length is about 180mm

Comes in Packs of 5
Each wood dowel rotor is made of a 10cm long wood dowel with outer diameter of about 2centimeters. Both ends are turned to reduce the outer diameter to 7mm (3/8"). A 1/2" hole is made in the middle part to house a bar magnet or cow magnet.

This test tube rack can hold test tubes right side up or upside down for drying.  It is made of kiln dried wood, has six openings of 24 mm diameter and six drying pins, measures (L x W x H) 240 x 70 x 90 mm and is oil finished. 

Classic wooden test tube support.