• Properly aligns valve stem seal to valve guide so seal snaps on straight every time
• Holds four valve guide seals at one time for quick and easy installation on multi valve cylinders
• Contoured design in bottom of handle cradles and protects the delicate inner lip of the valve stem seal while directing tool force to the sturdy outer rim.
• Slim profile allows easy access to valve guides even on modern compact heads with deep lifter bores
• Rounded tip will not damage inner lip of valve stem seal or valve guide bore
• Anodized aluminum handles with stainless steel pilot shafts
• Lifetime Limited Warranty