US$ 39.99
sized as the matched replacement for the PH0602A ray box
Spring steel insect pins with nylon gold heads and dual black enamel anti-rust coating
Ten-pack of 4
dermal papillae
Pack of 10 plated spring steel wire test tube clamps with finger-grip handles
Tubular Push/Pull Acrylic Dynamometer Force:50N sized as the matched replacementTubular acrylic push and pull balance with a dual grams and newtons scale and a transparent body showing internal spring movement during force measurement.