• Shaped zinc-plated metal with screw hole.
• Designed for use when fitting stretched canvas into a float frame - easily connecting a stretched canvas to the float frame at the desired height.
• Use when fitting stretched canvas into a frame with a shallow rebate.
• Useful for shadow box framing.
• Available in a range of sizes
• Sold in packets of 10

These work equally well the other way round, to hold the sandwich contents in a frame when it is less deep than the rebate.