Mechanisms — hand tool design

Recent Blogs

Slip-joint Pliers diagram
Slip-joint Pliers Mechanism Explained: How the Slot-and-Pin Pivot, Lever Ratio, and Jaw Geometry Work
How Slip-joint Pliers work, the pivot geometry behind the two jaw positions, and how plumbers, electricians, and mechanics use them on real jobs.
Compound Lever Cutting Pliers diagram
Compound Lever Cutting Pliers Mechanism: How Stacked Levers Multiply Jaw Force Explained
Explore how compound cutting pliers multiply grip force. Compare lever dimensions, jaw angle and ideal jaw force, with limits explained beside the calculation.