13-Tube Wooden Test Tube Rack with Draining Pins, 10.25" Wide Physics_Waves & Oscillation Triple-parallel plastic pulley with three

Triple-parallel plastic pulley with three 50mm wheels on a steel frame with end hooks

Rubber-footed 8 by 5 inch powder-coated steel base pairs with a stainless steel 60cm rod at 12mm diameter for a 3

Die-cast body with plated brass parts anchors this cork-lined two-prong universal clamp

Twelve-ball drilled set in a foam-lined plastic case with two each of aluminum

this super-taster set pairs PTC

13-Tube Wooden Test Tube Rack with Draining Pins, 10.25" Wide Physics_Waves & Oscillation Triple-parallel plastic pulley with threeBeech wood test tube rack accommodates 13 tubes up to 25mm diameter in a 10. 25 inch frame with draining pins for post wash inversion and drying.