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
Pulley, Triple Sheave, Pulleys wheels are made of plastic and mounted securely in an aluminum housing with a hook on both the top and bottom for suspension, Size: 50mm
Hookes Law, set of 5 springs with different spring constants, forces required for 1cm extension are 0.25N, 0.5N, 1N, 1.5N, and 2.5N respectively, Pre-stress has been removed for accurate results, With a hook to support a weight hanger and a red arrow to indicate position
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