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1.Manual Tongs, 2.Making up or breaking out the screws, 3.drill tong, 4.API Spec 7k standard, 5.Adjusted by latch steps - details see: https://www.machineto.com/api-q3-1-2-17-90-db-manual-tongs-10318820

Type Q3^1/2--17/90 DB Manual Tongs

1.Type Q3^1/2-17/90DB Manual Tongsis used for making up or breaking out the screws of drill tools and casing joint or couping.It can be adjusted by changing lug jaws latch and latch steps.

2.Type Q3^1/2-17/90DB Manual TongsKN.m is : 90,55 mm

3.The details are as bellow:

Latch lug jaws		Handle O.D.mm(in)		Torque
NO.	Shaft Pin Hole No.	mm	in	KN.m
1#	1	89-114	3 1/2-4 1/2	90
		114-152	4 1/2-6
	2	127-178	5-7
	3	152-210	6-8 1/4
2#	1	203-244	8-9 5/8
	2	270-286	10 5/8-11 1/4
3#	1	298-324	11 3/4-12 3/4	55
	2	340-365	13 3/8-14 3/8
4#	2	406-432	16-17

We look forward to your early purchase !