GPM Racing LN0306 3mm Blue Aluminum Lock Nut (5) Made by GPM Racing; GPM Racing is a Hong Kong based company; parts are sourced from Chinese producers GPM Racing part number LN0306; UPC 083745009743 This item works with: ECX 1:18 Smash Monster Truck; HPI Nitro RS4 Nitro MT2 4wd; Kyosho 1/8 Motorcycle, MP6, 7.5,777, Spider MK2, Super 10, TF2 Spider EP; Losi 1:18 Late Model, 1:18 Mini LST, 1:18 Mini Slider, 1:18 Mini-Rock Crawler RTR, 1:18 Mini-T; Tamiya Clodbuster and Super Clodbuster, F-150/S-10, Hummer, M03 Mini, M04L Mini, TA01, TA01 FF, TA02, TA02W, TA03, TA04, TA05, TGX, TL01, TT01; Traxxas 1/16 E-Revo VXL, 1/16 Slash/Rally 4WD, 1/16 Summit VXL, 4-tec Electric, Bandit Ele