Heavy Duty Pattern, hot forged, profiled for Hexagon shank, manufactured from Chrome Vanadium Steel (31 CrV3), full hardened, head polished, Ni Cr Plated.

These are from hexagon shaft and holes for turning either with a spanner or a tommy bar. The hollow center permits access to the nuts fitted with long bolts.

Size	D1	D2	L	SW	Wt.
6x7	10	11	105	7	32
8x9	12.5	13.5	110	9	50
10x11	15	16	120	11	65
12x13	17.5	19	140	13	125
14x15	20	21.5	145	14	155
16x17	22.5	24	155	16	200
18x19	25.5	26	165	19	280
20x22	28	30	175	20	310
22x24	30	32.5	185	22
21x23	29	31	185	21	450
24x26	32.5	36.5	195	24	530
24x27	32.5	36.5	195	24	530
25x28	34	37	205	25	540
27x29	36	39	205	25	540
27x30	36	42	205	25	620
30x32	42	44.5	210	30	870
30x34	42	47	220	30	900
32x36	44	50	230	30	970
34x36	47	50	240	30	1080
Tommy Bars
6-19	Ø 7.5x165				45
20-32	Ø 11.8x210				160