The two dark handled cutters were mine and only saw use for cleaning up an existing checkering on one occasion. The three lighter handled cutters, and bagged cutters are from a Dem-Bart Starter Kit whfrom 894778551
Checkered cherry and ebony rifle stock : r/woodworking
Diamonds are Forever - Woodworkers Institute
Checkering Tool Suggestions?
Checkering Tool Assortment
checkering files - Everything Else - I Forge Iron
Gunstock Gunsmith Woodcarving V & U Chisel Carving Set for Checkering and Restoration (5 Piece)
Tool for insect on logs (chequering) Silver Wolf checkering kit 20
Ramelson Ullman 2 Line 16LPI Carbide Tip Gunsmith
Veiner Line Restoration Gun Stock Gunsmtih Checkering