Our stock jumpers are available in three standard hole patterns, designated with an A, B, or C suffix in the part number.
A. 1/4" hole on both ends.
B. 3/8" hole on both ends.
C. 1/4" hole on one end 3/8" hole on the other.
AN IMPORTANT NOTE ABOUT HOLE SIZES...Holes are slightly oversize for easy connection.1/4" holes are actually 0.281" diameter.3/8" holes are actually 0.406" diameter.
Length is measured center-of-hole to center-of-hole.