This Polystyrene Rack Fits Test Tubes Up To 6-Hole, 6-Pin, Are Excellent Space Savers And Can Act As An Extra Pair Of Hands In The Lab. There Are 6 Holes To Hold Tubes, As Well As 6 Pins For Letting The Tubes Dry, Size: 25Mm In Diameter
Premium Clamp - Three Prong with Bosshead, Vinyl Coated Extension Lab Clamp, 8.5 cm maximum clamp opening attached to High Strength Alloy swivel bosshead, Boss accommodates to 18 mm rod