UNIVERSAL JOINTS & CRIMPED RIVETED RODS DOUBLE WORM SCREW END TO BREAK UP BLOCKAGE & PLUNGER CREATES PRESSURE TO UNBLOCK 10 DRAIN RODS (920 x 18 MM) THAT SCREW TOGETHER ALWAYS ROTATE IN A CLOCKWISE DIRECTION USE IN CHIMNEYS WITH THE CORRECT ATTACHMENTS (HW036) CASE QUANTITY 8 ** NO INNERS FULL PRODUCT DIMENSIONS 98x11x8