Archer OR325 Replacement Chainsaw Sprocket Nose Tip, .325" x 12 Teeth. Bar Nose / Speed Tip Fits Carlton 1-rivet , Woodland PRO and Oregon Power Match bars. Speed Tip Nose is easily removed by punching or drilling out the large rivet. Tip works with all gauges (.050, .058, .063). Requires a hammer and punch to install. Fits Rotary Professional Copperhead Pro Sprocket Tip Bars.