Not OP but I just bough the same kit on amazon.

Bluemoona 10 sets - 10mm 3/8" Brass Boots Hook eyelet Buckles with one Tool Riding Hiking Shoes Camp Climbing Repair DIY Fitting With washer Bronze https://www.amazon.com/dp/B07CZJL75K/ref=cm_sw_r_cp_api_i_yHOuEbPGN05E8