18GA 1/4" Narrow Crown Staples - Galvanized Finish - For Use In - Spotnails: W1S4840, T1S4825 to 1", W1S4840LM, W1S4840W6 to 1-3/8", WS4840, W1S4840LM, WS4840W6, WS4840W2(W5), TS4825, FS4825; Senco: SLS15MG, SLS20XP-L, SLS25XP-L, SKSXP-L, SLS20-L, SLS25-L, SKSN4450, KMN4450, LN4450, SLS18, FinishPro 2N1; Duo-Fast: SS1848F/1832/1848/1848SL, KN1848A, KB1836, BN1832, DNS-1840; Fasco: F21P 90-25A, F20A 90-40, F20T 90-30 CT, F20T 90-40 CT, R3C 90-40 CT; Metabo: N3804AB2/3, N3804AB; Grip-Rite: GRTSN150; Dewalt: DWFP12232, D51420K, D51422K, DWFP1838; Makita: AT638A, AT638; Max: TA238/18-6; BeA: 90/40-621, 90/32-611; Porter: NS100 1/2"-1", NS150 to 1/2"-1", NSS150, NS100A/B, NS150A/B; Rigid: R150FSA; Kihlberg: PN6040V; Craftsman: 18406 1/2"-1", 18367 1/2"-1 1/2"; Jamerco: JTS061825 1/2"-1", JTS061838A 1/2"-1 1/2", JTS061838H 1/2"-1"