A 248 size t-Blade replacement runner should fit a boot size of 4.5 to 5.
25% of 248= 25% * 248= 0.25 * 248= 62
35% of 248= 35% * 248= 0.35 * 248= 86.8
248% = 248/100 = 212/25
There are 124 twos in 248.
248 = 23 × 31
248
124 is half of 248
31
The factors of 248 are: 1, 2, 4, 8, 31, 62, 124, 248.
1 × 248 = 2482 × 124 = 2484 × 62 = 2488 × 31 = 248
24.8
248/4 = 62 so 62 x 4 = 248