RC4WD EXT PUNISHER SHAFT 120-150MM 6MM HOLESpecifications: Industrial grade stainless Steel Extremely durable huge 12.5mm mainshaft diameter Shaft Travel: compact 120mm, fully extended 150mm (30mm total travel) Made to fit 6mm output Shaft Advanced Uni-Joint for super smooth operation Engineered and manufactured by RC4WD USA Direct fit, no modification needed How to measure which shaft is for your project: Measure the diameter of your output shafts on the tranny and input shafts on the axles to see if they are 5 or 6mm Measure from output shaft to input shaft to get the correct measurement of your total length needed What's Included: 1x Ext Punisher Shaft Wheely King 120-150mm 4.72"-5.90" 6mm Hole Notes: Please make sure to use a medium threadlock on the set screws. To find out which Punisher Shaft fit which truck, click here to see a comparison chart.