Ampper stainless steel J hook battery hold down clamp bracket bolts kit with adjustable crossbar

Specifications:
1, Premium iron cross-bar expands from 5.7" (14.5 cm) to 8.3" (21 cm) wide, with wing nuts and washers.
2, Bolts length: 10.6" (27 cm), bolts thread 3.8" (9.7 cm), bolts not thread 6.8" (17.3 cm).
3, Can hold the battery HEIGHT MAX: 10" (25.4 cm) & MIN: 6.5" (16.5 cm).
4, Zinc plated tempered stainless steel construction bolts with J hook, diameter: 5/16" (M8), cap on the bolt's top ends.
5, Properly secure battery, holds your battery steady.
6, Meant for use in combination with battery tray and battery frame or hold-down (not included).
7, Compatible: works with most batteries found in motor vehicle, car, RV, boat and more.
8, Easy to install.

Complete kit includes:
2 sets battery hold down clamp:
(every set of battery hold down clamp includes: 2 long bolts, 1 crossbar, nuts and accessories)