gran u shaped bracket for gran board

Description the gran board u-shaped bracket is specifically designed for use with the gran board. this bracket stops the board from rotating and provides a stable hold. for use with the gran board only. when using the u-shaped bracket to hang a gran board, please make sure to use m4 x 8mm countersunk head screws. do not to use tap screws on your gran board; otherwise, inner nuts are pushed inside the board, and this causes the malfunction of the sensor sheet. california proposition 65 warning: cancer and reproductive harm – https://www.p65warnings.ca.gov