Keep your device operating at peak performance. Features: 250mm rubber blade, replacement for Karcher WV1, yet 170mm and 280mm for WV2 and WV5. Made of fine quality material, long-lasting and durable. Keep your window vacuums running at maximum efficiency. Easy to install and replace. Best-in-class cleaning performance. Quickly clean shower doors, windows, tile, mirrors, and many other surfaces. Specifications: Material: Rubber Type: Squeegee/ 2 Pcs 170mm Blade/ 2 Pcs 250mm Blade/ 2 Pcs 280mm Blade (Optional) Item Size: Squeegee: 25.5 * 13.0 * 4.3cm / 10.0 * 5.1 * 1.7in 170mm Blade: 3.2 * 17.0cm / 1.3 * 6.7in 250mm Blade: 3.2 * 25.0cm / 1.3 * 9.8in 280mm Blade: 3.2 * 28.0cm / 1.3 * 11.0in Item Weight: Squeegee: 85g / 3.0oz 170mm Blade (2 Pcs): 22g / 0.8oz 250mm Blade (2 Pcs): 32g / 1.1oz 280mm Blade (2 Pcs): 38g / 1.3oz Package Size: Squeegee: 26.5 * 13.5 * 4.5cm / 10.4 * 5.3 * 1.8in Blade: 9.4 * 7.4 * 3.2cm / 3.7 * 2.9 * 1.3in Package Weight: Squeegee: 135g / 4.8oz 170mm Blade: 32g / 1.1oz 250mm Blade: 42g / 1.5oz 280mm Blade: 48g / 1.7oz Package List: 2 * Rubber Blade