Podium Titanium 4mm 2 piece half-out insert 166 60gn

Podium's 4MM Half-Out Titanium Insert enables the use of common 8-32 thread broadheads in 4MM arrows.  Precision machined from TI-6 series titanium, this half-out delivers high strength-to-weight ratio. This insert will allow weight adjustments with threaded weights "not included"  Overall length 1-7/8 7/8" goes into arrow 1" sticks out Collar base sizes are 3 different size Altra Centrum 166 300* 0.246 0.246 E Black Eagle Deep-Impact 350 0.240 0.246 E .240-.245 Black Eagle X-Impact 250 0.240 0.246 E Easton 4MM Axis Long Range 250 0.244 0.246 E Easton 4MM Axis Long Range 300 0.241 0.246 E Easton 4mm Carbon Injection 330 0.244 0.246 E Easton 4MM FMJ 300 0.244 0.246 E Easton 4MM FMJ 340 0.240 0.246 E Easton 4mm FMJ Injection 280 0.243 0.246 E Easton 4mm FMJ Injection 330 0.240 0.246 E Easton 5MM Axis Traditional 700 0.245 0.246 E Easton Pro Comp 250 0.245 0.246 E Gold Tip Kinetic Pierce 250 0.245 0.246 E Gold Tip Kinetic Pierce 300 0.240 0.