03J7740 - Rikon 71-217 Plastic Jaws
These solid plastic jaws can be machined directly on the chuck to create a custom gripping profile.
Faster and more predictable to machine than homemade wooden jaws, the uniform, knot-free material has ample strength and rigidity for workholding but is not as hard as steel jaws, so the jaws are less likely to damage delicate or finished surfaces.
Mounting screws not included.
They fit Rikon Z3 and Z4 chucks.

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Variations:
Rikon Plastic Jaws (71-217)
These solid plastic jaws can be machined directly on the chuck to create a custom gripping profile.
Faster and more predictable to machine than homemade wooden jaws, the uniform, knot-free material has ample strength and rigidity for workholding but is not as hard as steel jaws, so the jaws are less likely to damage delicate or finished surfaces.
Mounting screws not included.
They fit Rikon Z3 and Z4 chucks.