These hollow ring guides have sturdy stainless steel feet. The guide unscrews from the foot for easy transport. The bottom guide ID=49mm @6.4 grams, the 3rd guide ID=39mm @4.6 grams, the second guide ID+31mm @ 3.7 grams, the first guide ID=20mm @2.6 grams. No Tip Top guide is included with this set.