1.Item Diameter: Inner sleeve ID: 8.00 mm、Sleeve length: ~9.98 mm、Overall installed height: ~29.9 mm 、Channel OD: ~15 mm,for 8mm & 5/16 bolts.
2.10pcs rubber grommet bolt set,M8 & 5/16 Inch hole size, suitable for 8mm screw.
3.Universal assembly compatible with most motorcycles, automotive 8mm & 5/16 Inch Universal Buffer Washer Pressure Relief Cushion.
4.Good Materials of rubbers and Stainless steel bushing, wearresistant, durable, Never Rust.
5.Fits most 8mm hole size, suitable for M8 & 5/16 bolts.