Chain Drive with Tensioner Mechanical Demonstration Model Meters_Electrical Hand-painted male pelvis model exposes

Hand-painted male pelvis model exposes the narrower male-specific proportions and pelvic inlet shape compared to the female pelvis for sex-difference anatomy teaching

Fitted with a grey hand knob for tightening and a small plastic pulley

this deluxe optics kit covers reflection

and raised graduations with full autoclave and dishwasher tolerance

visible crankshaft

Chain Drive with Tensioner Mechanical Demonstration Model Meters_Electrical Hand-painted male pelvis model exposesTensioner pulley keeps chain engagement consistent on this hand cranked chain drive, viewable between clear plates so students watch sprocket teeth grip and transfer torque under load.