Used for most 2 cycle carburetor engine: chain saw,string trimmer,leaf blower Fits for many brands of equipment, including ,MTD,Sears, Craftsman, Poulan, , Weedeater, Echo, Toro, Ryobi,Troy-Bilt, Homelite, and anything else that utilizes the splined adjustment screws Marked with tool type on the handle, easy to recognize and Keep engine within EPA specs. carburetor may need a 22-teeth splined tool Overall lenth: 6-1/8 inches Lenth of metal pole: 3 inches Lenth of plastic handle: 3-1/8 inches Diameter of metal pole: For normal ones 0.2 inches, For small ones 0.11 inches Square handle, easy to tell 1/4 turn increments on the mixture settings Indispensable for who is maintaining personal equipment plus stuff for friends, family, keep engine within EPA specification colour:black Material:Stainless steel + plastic Package Contents: 1 * 21-teeth Splined 1 * 7-teeth Splined 1 * Pac Man 1 * Single D 1 * Double D 1 * Hexagon Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.