Cup, External Tooth, Internal Tooth, Full Washers, Form A
Neoprene, Fibre, Brass, TPE, Stainless Steel
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 2.2 mm, 5.36 mm, 4.36 mm, 6.5 mm
0.4 mm, 1.2 mm, 1.6 mm, 2.5 mm, 3 mm
M3 (Form A), M16, M5 (Form A), M6, M3
DIN 6797J, BS 4320, DIN 7980, DIN 7603A, BS 4320B