18 gauge. Straight stick, galvanized brad nails. Ideal for modeling decorative trim, furniture trim, cabinets, drawers, casebacks, baseboards, chair rails, and picture frames. For use in AccuSet model No. A125BN , A200BN, and A2N125; Senco model No. PC0991, SLP20, 1C0001N, 430001N, CF25, LS2, LS4, LS5, SLP20; AirFree 25, Finish Pro model No. 15, 18, and 25XP; Porter Cable model No. BN125 and BN200; Airy model No. ATK0241 and ATK0250; DuoFast model No. BB4440; Hitachi model No. N745A and NT45A; Makita model No. AF501; Paslode model No. 2138 F18; Stanley Bostich model No. B735, B750, BT35, and BT50; and Craftsman model No. 18424. No. A201009: 1'', 1000 per pack No. AX13EAA: 1'', medium headed, 5000 per box No. A201259: 1 1 4'', 1000 per pack No. AX15EAA: 1 1 4'', medium headed, 5000 per box No. A201509: 1 1 2'', 800 per pack No. AX17EAA: 1 1 2'', medium headed, 5000 per box No. AX18EAA: 1 5 8'', medium headed, 5000 per box No. AX21EANN: 2'', medium headed, 5000 per box No. A202009: 2'', 800 per pack No. AY10EAA: 5 8'', slight headed, 5000 per box No. AY13EAA: 1'', slight headed, 5000 per box No. A209809: Multipack includes: 300 each 5 8'', 3 4'', 1'', and 1 1 4'' No. AY11EAA: 3 4'', glavanized slight head, 5000 per box, No. A209909: Galvanized assorted pack, assorted sizes includes 300 each of 1'', 1 1 4'', 1 1 2'', and 2'',