ITEM NAME:4.2 cm inner diameter angle grinder protective cover for Bosch 100 B9Q3 4.2 cm inner diameter angle grinder protective cover for Bosch 100 B9Q3 Product Name: Angle Grinder Wheel Guard; Suitable for: for Bosch 100 angle grinder Material: metal, color: black Center excavation loop Dia. : 4.2cm / 1.7 inch One-hand operation Thread dia: 6mm / 0.5cm about: 11.5 x 8.2 x 3.9cm / 4.5 inch x 3.2 inch x 1.5 inch (L W H); Net weight: 86g Package Content: 1 x Angle Grinder Wheel Guard (Non-OEM) Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm.