Bison 8712 - Dead Centre 60°
Bison 8711 - Dead Centre 60° Carbide Point
Bison 8720 - Dead Centre 60° With Spanner Flats
Bison 8721 - Dead Centre 60° Carbide With Spanner Flats
Bison 8725 - Dead Centre 60° With draw off nut
Bison 8726 - Dead Centre 60° Carbide Point With draw off nut