AR500 Abrasion-Resistant Steel is the material. 15.24 cm (6.0 in) in length from tip to tip The blade 3.3 mm (0.130 in) thick Bore: 0.394 in (10.0 mm) 19.05-25.4mm (0.75-1.0in) screw hole pattern between 6-32 screws (fits FingerTech Blade Hub and Blade Mount) The weight is 75g (2.65oz). Included in the kit is one undersized Bloodsport Longbar.