Cylinder Piston Kit 34Mm for Stihl FS55 FS45 BR45 HL45 Trimmer # 4140 020 1202 Feature:Durability,Reliability,Stability,Safety,Environmental protection Fits: for Stihl FS55 FS45 BR45 KM55 HL45 HS45 HS55 Trimmer OE Number:4140 020 1202 Excellent Characteristics: Cylinders have excellent product characteristics, high strength, light weight, shock absorption Size: 34mm Color: Silver Material:Metal Package Contents: 1 * Cylinder 1 * Piston 2 * Ring 1 * Pin 2 * Clips 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.