BIGTREETECH SKR 2 Control Board Upgrade Silent Board for 3D Printer Based on SKR V1.4 Turbo Motherboard for BIQU B1 Compatible TMC2209,2208 Support TFT Display (Main Control Chip is STM32F429VGT6) SKR 2 (STM32F429VGT6) Style:SKR 2 (STM32F429VGT6) Cerium Oxide Polishing Compound use

Cerium Oxide Polishing Compound use for polishing and removal of fine scratches and scuff marks in glass and mirror

Widely Used 40 grit flap disc is coarser in build and is ideal for heavier stock removal

GOOD PERFORMANCE - Designed with a cylindrical shape

Durable materials: Zirconia alumina materials have greater toughness than standard alumina abrasives

BIGTREETECH SKR 2 Control Board Upgrade Silent Board for 3D Printer Based on SKR V1.4 Turbo Motherboard for BIQU B1 Compatible TMC2209,2208 Support TFT Display (Main Control Chip is STM32F429VGT6) SKR 2 (STM32F429VGT6) Style:SKR 2 (STM32F429VGT6) Cerium Oxide Polishing Compound useBIGTREETECH SKR 2 Control Board Upgrade Silent Board for 3D Printer Based on SKR V1. 4 Turbo Motherboard for BIQU B1 Compatible TMC2209,2208 Support TFT Display (Main Control Chip is STM32F429VGT6) Please Pay More Attention If you received the main control chip about STM32F429VGT6: Before DIY firmware modification, customers need to build an F429 environment on the compilation platform for compilation and use, instead of directly using the previous