This Lehigh Valley sideplate has a arrow head pointed tail with molding and cast in grooves. Patterned from a sideplate on a Herman Rupp longrifle, it would be ideal for other makers of the Allentown-Bethlehem region. Lock bolt are as cast for 8-32 lock bolts with 3/8" diameter heads, enlarge the clearance hole with a 13/64" drill bit to accept 10-32 bolts. Wax cast steel. Overall length 4-15/16", height 1", thickness 0.095".