Rapid-Push-Pull-Spring-Balances-Rapid-83209-p-The-design-of-the-Push-Pull-Spring-Balance-2kg-means-it-can-demonstrate-not-only-the-weight-of-suspended-objects-but-also-the-force-used-to-push-or-pull-them-A-clear-extended-rod-allows-pupils-to-use-a-drywipe-marker-to-create-their-own-scale-ranges-p-Rapid-Push-Pull-Spring-Balance-Red-2kg
Spring Balances with Metal Scales - Rapid PH10115/1, A spring balance with a rectangular plastic body and metal scale. Rapid Metal Spring Balance - 0 to 100 g/1 N
Spring Balances with Metal Scales - Rapid PH10115/2A-sp, A spring balance with a rectangular plastic body and metal scale. Rapid Metal Spring Balance - 0 to 250 g/2.5 N