Compatible with The Speed Feed 400 Which Uses Perfectly Round Eyelets and Has Two Pins Either Side That Meets Eyelets

4-1/8" X 4-3/8"

Pro 250/300 Series

Outer Diameter: 1-3/8"

PP96460011

Proven Part (2) 18" Full Skip Chain For 18" Bar 3/8" Pitch .050" Gauge 64DL Fits Oregon 72EXJ064G (1) Qt Oil (1) Stump Vise PTC18011 Compatible with The Speed Feed(2) 18"Full Skip Chain For 18In Bar 3 8" Pitch . 050 Gauge 64DL Fits Oregon 72EXJ064G 3 8" Pitch . 050 Gauge 64DL Full Skip Chainsaw Chain For Oregon Chain Compatible With 72EXJ064G Fits CS 590, 591, CS 7310, Also Comes With (1) Quart of Bar & Chain Chainsaw Oil (1) Stump Vise Pitch: 3 8 Gauge: . 050G Drive Links: 64 Fits Oregon # 72EXJ064G Can Also fit Saws if your Bar Length=18" Pitch=3 8 and Gauge=. 050G FULL Skip Chain is For More Experienced