Gate Bolts for Tongue Switches. Type: GBA-1The GBA-1 Gate Bolts are manufactured with a rugged die-cast metalSteel construction, providing shearing forces up to 10,000 Newtons (F1Max) onlarge hinged doors. Easy to install on hinged or sliding guards. (4 x M6 Mounting Bolts).Once installed there is no need for extra brackets or door handles.Features: Not susceptible to misalignment damage Cannot close accidentally Yellow and Black colours to aid w..