Oyayide MCS-CF; JAN Code: 4582387100925; Revolutionary multi-cartridge spacer with improved carbon FRP sound quality and 6 levels of height adjustment and sound quality improvement; Can be adjusted to 6 levels of height adjustments by itself or stacking to a maximum of 0.02 inches (0.5 mm) in 0.5 mm increments; Lightweight carbon F RP. Material: 1K flat Woven Carbon FRP Dimensions: 0.7 x 0.9 inches (19 x 23 mm); Weight: 0.02 oz (0.5 mm), 0.03 oz (1.0 mm), 0.64 g, 1.5 mm/0.96 g); Height adjustment: 6 levels (0.5 mm / 1.0 mm / 1.5 mm) Total of 3 mm each pieces; Height pattern: 0 mm. 0.06 inch (5 mm). 0.06 inch (0.5 mm) + 0.06 inch (1.5 mm + 1.5 mm) 2.5 mm (1.0 mm + 1.5 mm) 3.0 mm (0.5 mm + 1.0 mm + 1.5 mm)