Features: 100% brand new. 2-Shoe Clutch Removal Tool and Piston Stop Tool Kit: These tools are a must for 2-storke chainsaw work especially replacing clutch and drive sprocket 14mm Thread Piston Stop & Clutch Removal Tool Puller Kit Fit for Husqvarna Chainsaw Models: 42, 242, 246, 340, 345, 346, 350, 351, 353, 362, 365, 371, 372, 372, 385, 390, 435, 440, 445, 450, 455 Rancher, 460 Rancher, 461, 570, 575, 576 Replace Part Number: Clutch Removal Tool Puller for Husqvarna Part # 502541603, 502 54 16-03, Piston Stop Tool for Husqvarna Part # 504910605, 504 91 06-05 Universal Metal Piston Stop Tool: The thread is 14mm x 1.25, fits all 2 cycle gas power chainsaws and other small engines with 14mm spark plug hole. .