Disc Information The Kastaplast Berg is a unique putt and approach disc with a curved indented flight plate. This thumb track allows the disc to rest comfortably in your hand and fly with increased consistency. The Berg is a slow flying putter that stays stable and never drifts too far away from the target. Pricing Retail: $16.99 - $19.99 Our Price: $12.50 - $18.95 You Save: $4.49 - $1.04 Select Your Disc