• Bolt-in spring cups for 5″ springs
• Short cup (WM304SC) is 2-1/2" tall, medium cup (WM304MC) is 4" tall and tall cup (WM304TC) is 6" tall
• Drop cup design (WM304DC) moves the spring table down 1" compared to the WM304SC spring cup and the raised cup design (WM304RC) moves the spring table up 1" from the WM304SC
• Works with WM304B - 1" coarse screw jack bolts, sold seperately