Modular box design for easy wiring configuration Glass fiber reinforced nylon base and shell high mechanical strength and durability is detachable for -free wiring, which reasonably accommodates the wires inside the vehicle and Highest amperage rated bus bar (250A) with terminal studs Module box design for easy wiring configurations Blank write-on space on the top allows easy labeling for each branch Product application: widely used in power supply of automobiles, yachts and ships color:red+Black Material: plastic+metal Terminal Stud Size: M8(5/16) Terminal Stud Size: M10(3/8) Maximum ]:48V DC Each stud rated current]:62.5A The whole electric block rated current]:250A [Auxiliary terminal screw current]:20A [Product role]:The wire harness , reasonable storage of car and boat inside [Applicable ]:Automobile, RV, , yacht and other power Package Contents: 1 x red M8 Bus bar 1 x black M10 Bus bar Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.