Feature●One of each size 4A, 4AH and 5●Used for wedging hammer into the handle●Prevent loosening of handle during use●Unique shapedDescriptionclass="celwidget pd_rd_w-wl2GL pd_rd_r-N0BRJKN65TDPA854E08X pd_rd_wg-0UdD3" data-feature-name="aplus" data-csa-c-type="widget" data-csa-c-content-id="aplus" data-csa-c-slot-id="aplus_feature_div" data-csa-c-asin="" data-csa-c-is-in-initial-active-row="false" data-csa-c-id="uxyf10-zc96rm-eoc3t4-9qv1gw" data-cel-widget="aplus_feature_div">