The BXA, LR-Series lathe tool racks are fabricated out of 12-gauge steel. 120 with an industrial powder coat finish. The LR-Series racks can store 6 to 10 quick change tools depending on tool size and can store up to 3 Morse Taper tailstock tools. The BXA quick change toolholders are compatible with “Aloris, Dorian, Phase II, and most import brands using the BXA size standard”. The morse taper tailstock holders come with rubber grommet inserts to prevent tool tapers from scratching or marring when racking and un-racking. See Below for “Lathe Tool Rack Dimensions, Tool Compatibility, & Included Contents” of each size variation. Overall Dimensions: (L-27.5″ x W-4.5″ x H-4). Tool Compatibility: (BXA) (MT3). Included: (1x Tool Rack) (6x BXA Toolholders with fasteners). Overall Dimensions: (L-33.25″ x W-4.5″ x H-4). Included: (1x Tool Rack) (8x BXA Toolholders with fasteners). Overall Dimensions: (L-39.25″ x W-4.5″ x H-4). Included: (1x Tool Rack) (10x BXA Toolholders with fasteners). Overall Dimensions: (L-28″ x W-4.5″ x H-5). Tool Compatibility: (BXA) (MT4). Overall Dimensions: (L-34″ x W-4.5 x H-5″). Overall Dimensions: (L-40″ x W-4.5″ x H-5).