General

Neoprene stoppers can be used in areas where rubber would be attacked by reagents or solvents. Synthetic green neoprene stoppers have good resiliency and shelf-life. They withstand petroleum products and oils as well as most inorganic acids and bases. Sold as one-pound bags (1 per EA)

Neoprene stoppers can be used in areas where rubber would be attacked by reagents or solvents. Synthetic green neoprene stoppers have good resiliency and shelf-life. They withstand petroleum products and oils as well as most inorganic acids and bases. Sold as one-pound bags (1 per EA)

Our magnetic stir bars are constructed of high quality magnets coated with PTFE. Cross-shaped stir bars increase turbulence and improve stirring action. (1 per EA )

United Scientific® Stainless Steel Table Clamp For Rod (1 per EA )

Good quality plated brass cork borers with handles (1 per EA)

This stand is designed for use with alcohol burners. The base is constructed from zinc-plated steel wire, with a heavy wire gauze top. The overall height is 5", ideal for burners of all sizes. (1 per EA)

Single holders can be snapped together in parallel or series to extend capacity or voltage. Include male and female button snaps on ends to allow series connections. Also includes extensions on sides for parallel connections. (1 per EA)

Excellent for holding small objects. The jaws open from 15mm to 45mm (1/2" to 1-3/4"). The clamp attaches to rods up to 13mm (1/2") O.D. Jaws can be rotated and locked at any angle. (1 per EA)

Single holders can be snapped together in parallel or series to extend capacity or voltage. Include male and female button snaps on ends to allow series connections. Also includes extensions on sides for parallel connections. (1 per EA)

These grade XXX tapered cork stoppers are an excellent choice for general laboratory use. They are effective for both liquid and solid mediums, and offer light weight, resilience and compressibility. Chemically inert and moisture resistant. Sold as packs (100 per PK )

United Scientific® Steritrue™ Sterile Sampling Scoops, Polystyrene, 60 ml (2 Oz), Pack Of 10 (10 per PK )

These clamps are constructed from steel and feature plastic covered spring jaws. Available in single and double versions, these clamps accept burettes up to 35mm O.D., and can be used with support rods up to 1/2" O.D. (1 per EA)

Tripod magnifier, 10x magnification. Available in Plastic or Brass with Glass lenses (1 per EA)

These battery holders are made of unbreakable plastic. Curved tabs prevent the battery from falling out when the holder is inverted. (1 per EA)

This polyethylene rack will hold six test tubes, and has six drying pins. Sides are fully open for clear viewing. Rack has two 30mm and four 20mm holes, and is pre-assembled. (1 per EA)

Good quality plated brass cork borers with handles (1 per EA)

Self-closing, available in brass wire or steel wire with brass finish. (1 per EA)

Six 25mm holes, six drying pins, with a 1/2" thick base. Solid hardwood construction. Polished to minimize damage from spills. (1 per EA)

These black stoppers are made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions. Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). Available in solid, one-hole, and two-hole versions. Each stopper has its size marked in raised figures. All stoppers are 25 mm tall. Sold as one-pound bags. (10 per PK )

Clamp Holder for rods to 19mm in diameter. Cast iron body with brass thumb screws. (1 per EA)

Heavy cast iron bases with black enamel finish. Includes a removable, zinc-plated steel rod. (1 per EA)

Plated steel double clamp. Accepts rods up to 3/4" diameter (19 mm). One clamp can be rotated 360° along its axis and locked in any position. Length across clamps is 4.5". (1 per EA)

Closed-type tubing clamps are made of zinc-plated steel wire. (1 per EA)

These battery holders are made of unbreakable plastic. Curved tabs prevent the battery from falling out when the holder is inverted. (1 per EA)