Black & Decker™ Screw is designed for DeWalt® DC308K type 1 36 V, DC318K 28 V, DW331K jig saw, type 1 DW321, DW321K, DW321K top handle jig saws, type 3 DW321K, DW321K-B2 top handle jig saws, type 2 DW323K body grip jig saw, type 10 DW331K-AR, DW331K-B2 and DW331K-BR jig saws.