Handles Square Handle Zamak handle, body, case and rotor; Delrin low-friction bushing. Double HandleDie-cast aluminum handle; zamak body, case and rotor; galvanized steel spring; Delrin low-friction bushing Double Handle in Stainless Steel Handle, washer and cylinder casing in stain-finish stainless steel; body of handle and mounting screws in galvanized steel. Universal Cremone Bolt Zamak case, handle, pinion and sliders; nylon plugs. External Opening Cremone Bolt With Rotating Case Cover Zamak case, handle, pinion and sliders; steel spring; Delrin guides and bushings; stainless steel screws. Fast Mounting Embedded Handle Extruded aluminum case; nylon control lever; tempered galvanized steel spring; stainless steel M5 setscrew; nylon spring plate; steel ball bearings; tempered steel bearing spring. Double Embedded Handle Aluminum case; external handle, slider, details of cylinder lock in zamak; coil spring in tempered steel; steel open/closed release bearings; M5 TSC CR handle clamping screws and M5 latch setscrew in stainless steel. Embedded Handle Extruded aluminum case; control lever and fastening plates in zamak; tempered galvanized steel spring; stainless steel M5 setscrew and M5 TSC CR fastening screws; nylon spring plate; steel ball bearings; tempered steel bearing spring. Shell Handles Made principally of zamak, available in different colors thanks to the special paint system (powder coating, identical to the profile). Handle With Lock Made principally of zamak, available in different colors thanks to the special paint system (powder coating, identical to the profile). Pull Handle Made principally of zamak, available in different colors thanks to the special paint system (powder coating, identical to the profile).