Check the listing for details. MK Machining Anti-Static Powder Funnel Set Inserts (MADE IN USA). Color: Black, Condition: New. Listed at 4.99 USD. Anti-Static Powder Funnel Set InsertsMK Machining is now offering interchangeable inserts in all common calibers from .17-.375. All inserts feature a reamed neck diameter for consistent fit, and an optimized powder bore for maximum flow characteristics. We use additive manufacturing to produce inserts with an “Electrostatic Discharge Safe” material that prevents static buildup. Typically reserved for use with sensitive electronics, we have found this material to produce exceptional powder flow results at a pleasing cost when compared to subtractively manufactured products.Full list of inserts included: .17, .20, .22, .6mm, .25, 6.5mm, 7, .30, 8mm, .338, .35, .375International buyers ? please note: Import duties, taxes, and charges aren't included in the item price or postage cost. These charges are the buyer's responsibility.Please check with your country's customs office to determine what these additional costs will be, prior to bidding or buying.