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: $19.95 - $19.99 Our Price: $16.95 - $16.99 You Save: $3.00 Select Your Disc