Options: Variations: ZA497444 - Replacement Felt for StickFix Base Insert for Festool PS 420 & PSB 420 Carvex Jigsaws, pkg. of 5 1 - $22.00 Replacement Felt for StickFix Base Insert for Festool PS 420 & PSB 420 Carvex Jigsaws (Pkg. of 5) Spare felt for the StickFix base.