Before revision: A 4 A SFE 4 fuse is inch long (the same dimension as an AGA fuse of any rating), a 6 A SFE 6 fuse is inch long, a 7.5 A SFE 7.5 fuse is inch long (same as an AGW fuse of any rating), a 9 A SFE 9 fuse is inch long (same as an AGW fuse of any rating), a 14 A SFE 14 fuse is 1 inch long, a 20 A SFE 20 fuse is 1 inch long (same as an AGC fuse of any rating), and a 30 A SFE 30 fuse is 1 inches long.
After revision: A 4 A SFE 4 fuse is inch long (the same dimension as an AGA fuse of any rating), a 6 A SFE 6 fuse is inch long, a 7.5 A SFE 7.5 fuse is inch long (same as an AGW fuse of any rating), a 9 A SFE 9 fuse is inch long (same as an AGW fuse of any rating), a 4 A SFE 4 fuse is inch long, a 20 A SFE 20 fuse is 1 inch long (same as an AGC fuse of any rating), and a 30 A SFE 30 fuse is 1 inches long.