Index bolts are used for indexing purposes.
Plastic cover for grip allows better handling.
Material
Body
Free cutting steel, blackened
Stainless steel 1.4305
Locking pin
Steel, hardened
Stainless steel 1.4305, nickel-plated
Catch
Free cutting steel, blackened
Dry powdered metal 1.4404
Plastic cap
Thermoplastic, black, dull