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.
Ball Socket Ratchet diagram
Ball Socket Ratchet Mechanism Explained: How It Works, Parts, Formula, and Uses
Ball socket ratchet mechanism explained — how spring-loaded balls index a socket for one-way torque, sizing math, and real applications in fastening tools.
Compound Lever Cutting Pliers diagram
Compound Lever Cutting Pliers Mechanism: How Stacked Levers Multiply Jaw Force Explained
Compound lever cutting pliers multiply hand force 20-40× through stacked levers. Learn the geometry, jaw forces, and real cutting limits used by electricians and fabricators.