Product related parameters

*Used to easily and safely compress valve springs for removal or installation

*The set includes 5 collet sizes for correct and safe fit with almost any automotive or small engine valve spring and cylinder head

*suitable for your motorcycle, ATV, UTV, car, and other small engine vehicles and equipment; All collets are 1.75 inches (4.4cm) long with 9.5-inch (24.1cm) maximum jaw openings