<p>51012911 2" Push Pull Valve Cap Black PENTAIR / AM PROD # 51012911 GENERAL DESCRIPTION: THIS IS THE TOP CAP ONLY USED ON THE AMERICAN PRODUCTS 2" PUSH PULL VALVE THIS DOES NOT INCLUDE THE TOP NUT MATERIAL: BLACK PLASTIC SHAPE: ROUND THIS IS HELD ON THE SHAFT WITH A PIN DIMENSIONS: OUTSIDE DIAMETER: 2" (A) TOTAL HEIGHT: 1-3/4" (B) CENTER HOLE DIAMETER: 1/2"</p>