Round Clamp Inner Outer Flange Fixing 5 Pair for Makita Angle Grinder Weight: 235g; Product Name: Inner Outer Flange Package Content: 5 Pairs x Inner Outer Flange (non-OEM); Material: Metal Color: Silver Tone, Black; Fit for: Makita 9523, Bosch 6-100, Hitachi F3 Outer Flange Size: 30 x 6mm/1.2" x 0.24"(D*T), Thread Hole Dia: 8.5mm Inner Flange Size: 30 x 8mm/ 1.2" x 0.3"(D*T), Hole Dia: 10mm