A harvesting header bat having a channel for removably receiving alternating quick-release fingers and spacers is provided. The spacers are capable of production in different lengths to support different applications of the harvesting header. The quick-release finger is provided with projections configured for mating with flanges at the channel opening, enabling the finger to be inserted into the channel in a first orientation and then rotated into a second orientation to engage the flanges and releasably lock the finger in place. The spacers are also configured to engage the flanges of the channel and may be provided in different lengths where a particular harvesting header application requires a certain distance between fingers on the bat.
