Box ends provide strong grip on the fastener and needs as little as 5 degrees to move the fastener. Surface drive nearly eliminates fastener rounding. Sleek head design enables access to tight spots where a ratchet will not fit. GrearWrench products are warranted for life to be free of defects in material and workmanship Set includes sizes: 8mm, 10mm, 12mm, 13mm, 14mm, 15mm, 18mm and is warranted for Life to be free of defects in material and workmanship.
