Product description: Quarter-turn latches are used for replacing and locking fixtures or hatches quickly and easily. Toolless clamping shortens setup times. Material: Housing stainless steel. Rotary knob thermoplastic PA (polyamide) or stainless steel. Version: Housing bright. Rotary knob PA fibreglass reinforced, black. Knob stainless steel, bright. Note: M2 or M3 stainless steel fastening screws are included. The plate thickness varies depending on the clamping pin used (K2257). Mounting option 1 with Form A clamping pin for plate thickness 6 mm or with Form B clamping pin for plate thickness 9 mm. Mounting option 2 with Form A clamping pin for plate thickness >6 to 20 mm or with Form B clamping pin for plate thickness >9 to 20 mm. The clamping pins must be ordered separately. A gap of more than 0.1 mm appears between the plates if the retaining force is exceeded. Type of operation: Ensure that the twist knob is in the "OFF" position. Place the quarter-turn latch over the clamping pin and turn the twist knob to the "ON" position. Accessory: Stainless steel clamping pin for quarter-turn latch K2257.