The Park Tool HCW-16.3 combines two tools essential for common bicycle maintenance and repair-a pedal wrench and a chain whip for removing rear sprockets-without sacrificing functionality. With its long handle and E-nickel-plated steel construction the HCW-16.3 is a strong durable tool that is built to last equally at home in the garage or in a professional mechanic's traveling toolbox.Pedal wrench: compatible with any pedal with 15 mm wrench flatsChain whip: compatible with all 7-speed to 12-speed cassettes including SRAM AXS 12-speed systems and compatible with single-speed cassettes with a 3/32" cog