Wedgie WDPR50 0.50mm Wedgie Delrin Pick Refill, 36 Pieces, Red Our special Delrin blend ensures a clean sound and snappy release Wedgie Delrin EX Picks are your same favorite pick but evolved to have a better feel and less slip Wedgie Delrin Ex Picks are available in standard color/thickness combinations. These durable picks will take whatever you can throw at them. Patent Pending