CS-AM: Sisal buffs with inner metal ring
CS-GM: Sisal buffs with metal clamp
CST-AM: Sisal/cotton buffs with inner metal ring
CST-GM: Sisal/cotton buffs with metal clamp
Diameter: 150 mm - 600 mm
Metal Clamp: 55 mm - 230 mm
Metal Ring: Combined w/ cardboard centre, enables different bore sizes and shapes