47Pcs 7.48mm Valve Shim Kit Feeler Gauge for Husqvarna TC TE TXC 250 TE TXC 310. TXC 310 2012–2013. TXC 250 2012–2013. These shims are precisely manufactured with the exact diamter for your machine and total 47 different sizes ( 1.20mm to 3.50mm) of shim.