Manufacturer: Shirokuma Co., Ltd. These are zinc-made parts for attaching handrails. They are the through-type, and I believe they can securely attach bar handrails. For 35mm diameter handrails. Each comes with screws for wooden handrails. These are new items that have been stored for many years. Please refrain from returns as these items have been in someone's possession. I will be listing more items, so please inquire in the comments for combined sets. - Model: BR-104 - Quantity: 1 - Material: Zinc Alloy - Color: Silver - Application: Handrail attachment parts Thank you for viewing.