Multi-Purpose Base Metal. ONE INSERT ENSURES THE ANGLE IRON IS IN THE VERTICAL POSITION. THE VERTICAL POSITION IS FOR OUR REACTIVE SERIES TARGETS. THE ANGLED POSITION WHICH ENSURES THE ANGLE IRON SITS AT AN APPROXIMATE 22 DEGREE "LEAN" TOWARD THE SHOOTER ENSURES THE CORRECT ANGLE WHEN UTILIZING OUR DUELING TREE TARGET SYSTEMS. THE ONLY NEEDED FOR THE SHOOTER TO SOURCE WOULD BE THE ANGLE IRON. WE WILL OFFER ANGLE IRON HERE UNDER REPLACEMENTS AND ADD ONS BUT WITH THE COST OF SHIPPING YOU MAY WANT TO CONSIDER SOURCING IT LOCALLY. EXPECT TO PAY 5-10 FOR A PIECE OF ANGLE IRON. THIS TARGET SYSTEM WILL ONLYWORK WITH STANDARD AMERICAN (MOST COMMON SIZE) 1.5" X .25" ANGLE IRON. Specifications for Spartan Armor Systems Multi-purpose Base: Manufacturer: Spartan Armor Systems Color: Metal Fabric/Material: AR500 Steel Features of Spartan Armor Systems Multi-purpose Base: Portable The MPB was designed with collapsible legs for easy transport The MPB is designed to fit in to the trunk of the smallest sedan Durable The MPB is constructed from 3/8? mild steel with an AR500 protector plate The AR500 protector plate protects the base from errant shots. Replaceable components Should you have a stray bullet hit the base we offer replacement legs Light Weight Compared to other bases our base weighs much less Universal Engineered to easily adapt to ALL of our target systems Collapsible With the pull of a few pins the legs quickly pop off our target base Assembly is just as easy Sturdy You dont have to worry about wobble. Package Contents: Spartan Armor Systems Multi-purpose Base Spartan Armor Systems TTM-MPB: Multi-purpose Base Metal