Pic Diameter Flush Hole Button Dia * Qty Weight
mm inch Outer Front kg lb
CONCAVE 254
270
280
292
305
330
10
10 ⁵⁄₈
11
11 ¹⁄₂
12
13
2
3
3
3
3
3
19x12
19x12
19x12
19x21
19x18
19x18
16x24
16x25
16x27
16x23
19x15 + 16x13
19x18 + 16x13
105
110
115
120
125
135
231.42
242.44
253.46
264.48
275.5
297.54