Transparent ring hook, compatible with widths of 8-31mm For use on kamoi (Japanese interior beams), shelves, desks, etc. Clamps securely in place Holds up to 1kg Product size (approx.): 45mm (height) x 20mm (width) x 27mm (depth) (body), inner diameter 30mm, outer diameter 40mm (hook) Compatible size: Thickness 8-31mm, depth 10mm or more Weight capacity (approx.): 1kg JAN code: 4978446037088 tt 23g Thank you for viewing.