Drop forged from strong special steel and heat-treated.The screws are made from tough,wrought steel, heat-treated and threaded for strength and rapid adjustment.
CODE |
Opening
mm |
CODE |
Opening
mm |
613716
17
18
19
20 |
25
38
50
75
100 |
613721
22
23
24
25
|
125
150
200
250
300 |