Ball End Screw Set 6.8x16mm $17.99 Quantity discounts available QuantityPrice Quantity: -+ SKU: HPI86407 ABOUT THIS PRODUCT:Ball End Screw Set 6.8x16mmAboutAboutSet of four (4) ball end screws for the HPI Baja 5b. 16mm length, 6.8mm ball diameter. HPI part # 86407.