DURABLE & UV RESISTANT: Bullke RV stabilizer blocks for camper and trailer jacks are tested and built to handle toughest loads. Made in the USA from recycled plastic, these heavy-duty blocks are UV resistant and are rated up to 18,000 lbs.

UPDATED WEIGHT CAPACITY: BULLKE jack blocks are rated for use with loads up to 10,000 lbs without Flex Pads and up to 18,000 lbs when used with BULLKE Flex Pads, when properly installed on firm, level ground with the jack foot centered.

MADE IN THE USA: Proudly made in the USA from heavy-duty recycled plastic. Vehicle Service Type: RV. UPDATED WEIGHT CAPACITY: BULLKE jack blocks are rated for use with loads up to 10,000 lbs without Flex Pads and up to 18,000 lbs when used with BULLKE Flex Pads, when properly installed on firm, level ground with the jack foot centered.