Check the listing for details. MP2264 Replacement Anvil Shank. Condition: New. Listed at 74.99 USD. The A/B designation in their part number is simply the trigger design. The A designation is held closed by a spring, the B designation is operated Pneumatically. It seems that master power has kept the A designation as their own design, and sold the B designation to Cleco because it is an inferior design.

$37.50
$74.99