Bulldog Powerlite Taper Mouth Shovel 5TM2PL. These Bulldog Powerlite Taper Mouth Shovels are hard wearing, light and above all safe. Bend strength exceeds the BS3388 Standard. The Bulldog Powerlite Taper Mouth Shovel has a solid fibreglass shaft, manufactured from continuous parallel fibres, is fire resistant, non water absorbent and has insulating properties.