Маterial:

Wide variety of sizes

Strong fastening connection

Wide variety of applications

Ability connect soft materials from outside

Best price

Grip range and hole size

Size	Grip range	Head diameter	Hole size
3.2 x 8 х 9.5	1.0 ~ 5.0	8.8 ~ 9.8	3.1 ~ 3.2
3.2 x 10	5.0 ~ 7.0
3.2 x 12	7.0 ~ 9.0
3.2 x 14	9.0 ~ 11.0
3.2 x 16	11.0 ~ 13.0
4.0 x 8 х 12	1.0 ~ 5.0	11.0 ~ 12.5	4.1 ~ 4.2
4.0 x 10	5.0 ~ 6.5
4.0 x 12	6.5 ~ 8.5
4.0 x 14	8.5 ~ 10.5
4.0 x 16	10.5 ~ 12.5
4.8 x 8 х 16	1.0 ~ 4.5	10.0 ~ 11.5 13.0 ~ 14.5 15.0 ~ 16.5	4.9 ~ 5.0
4.8 x 10	4.5 ~ 6.0
4.8 ~ 12	6.0 ~ 8.0
4.8 x 14	8.0 ~ 10.0
4.8 x 16	10.0 ~ 12.0
4.8 x 18	12.0 ~ 14.0
4.8 x 20	14.0 ~ 16.0