BMX Brake, [made in 1998], in Taiwan by LEE-CHI, who have been making BMX Brakes since the 80's. Taiwan quality & reliability. The brake shoes have tyre guides built in, [ the curvy bit at the bottom / underneath of the pad to guide the tyre / wheel into the centre of the fork ]. A thin 12mm spanner can be used to centre the caliper at the rear of the main axle / centre bolt. cable outer cable stop adjuster and anchor bolt can be reversed / swapped to enable cable to enter the brake from above or  below, underneath entry is used on some free style bikes and in conjunction with BMX using gyro's, having the front brake cable come down inside the fork steerer, YOU CAN DO THAT WITH THIS BRAKE.  This brake will come set up with the cable entry from below. These brakes are similar look to DIA-COMPE bulldog design.