This product has multiple variants. The options may be chosen on the product page
Bolt Fix Pull Handle
CARLISLE BRASS – BBF1019SSS-SQ BACK TO BACK FIXING PACK (SQUARE) – 19MM DIA. PULL HANDLE
Stainless Steel Pull Handles
Zoo Hardware Zcsd Architectural D Pull Handle (19Mm Or 21Mm Bar Diameter), Satin Stainless Steel