BLH30 Single Shaft Input - Single Shaft Output 1:1 & 2:1 Spiral Bevel Gearbox             BLHT30 Single Shaft Input - Double Shaft Output 1:1 & 2:1 Spiral Bevel Gearbox 

BLHI30 Bore Input - Single Shaft Output 1:1 & 2:1 Spiral Bevel Gearbox                         BLHO30 Single Shaft Input - Bore Output 1:1 & 2:1 Spiral Bevel Gearbox 

BLHB30 Bore Input - Bore Output 1:1 & 2:1 Spiral Bevel Gearbox                                    BLHM30 Single Shaft Input - Counter-Rotating Output Shafts 1:1 & 2:1 Spiral Bevel Gearbox