DOP180ATMZ095AL 18" .050 Gauge Laser Tip Chain saw Bar fits Alpina Chainsaws. Solid nose with wear-resistant alloy laser welded around the tip. Fits Alpina model A-40, C-40, CP-41, CP-45, CP-540, CP-600, P-370, P-410, P-460, P-510, PRO-41, PRO-45, PRO-540, PRO600 Chainsaws.