a device for splicing two belt ends together , the device comprising a first outer clamping plate , a second outer clamping plate and a central plate disposed between the first and second clamping plates . each of the first and second clamping plates includes inwardly facing surfaces oriented toward the central plate . gripping surfaces of the devices are improved . a first gripping region is disposed on the inwardly facing surfaces of the first and second clamping plates , the first gripping region having a plurality of rows of slotted teeth . a second gripping region is disposed on the inwardly facing surfaces of the first and second clamping plates and has a plurality of spaced apart elongated recesses positioned parallel to a long axis of the first and second clamping plates . a wedge member , to accommodate difference size and shape belts , is removably coupled to an end of the central plate .