Ryan, Ryobi, Sears - Craftsman Trimmer Spool Head Assembly. RYAN (Single Line Models) B260, 261, 262, 263, 264, 264-1, 264-2, 263-3, 264P, 265, 265-1, 265P, Servistar 365 RYOBI 700R, 700R-1, 764R, 840R, IDC364, 364-1, 500, 500-1 SEARS - CRAFTSMAN -  Weedwacker (single line) 79822, 79503 Contains 1 X Housing, 1 X Spool & Line, 1 X Spool Retainer/Bump Knob, 1 X Spring Supplied With 5/16unc X 1/2 RH Thread Bolt