Please make sure that the thread size of your part is 1/4-20 (not metric). (30-410 & 30-411 are sold separately)
30-410 - Nylon 1/4-20 Thread Insert fits 3/8" hole (Part #30-411 fits into this thread insert.)
30-411W - 1/4-20 Thread with 1/2" Stainless Steel Threaded Stud Adjustable Glide 1.05" Diameter Nylon Non-Skid Base (This adjustable glide fits into Part #30-410.) White
30-411B - 1/4-20 Thread with 1/2" Stainless Steel Threaded Stud Adjustable Glide 1.05" Diameter Nylon Non-Skid Base (This adjustable glide fits into Part #30-410.) Black
30-412W - 5/16-18 Thread with 1/2" Stainless Steel Threaded Stud Adjustable Glide 1.05" Diameter Nylon Non-Skid Base White
30-412B - 5/16-18 Thread with 1/2" Stainless Steel Threaded Stud Adjustable Glide 1.05" Diameter Nylon Non-Skid Base Black
30-413W - 8 mm (millimeter) x standard 1.25 thread with 1/2" Long Stainless Steel Threaded Stud Adjustable Glide .911" Diameter Nylon Non-Skid Base White
30-413B - 8 mm (millimeter) x standard 1.25 thread with 1/2" Long Stainless Steel Threaded Stud Adjustable Glide .911" Diameter Nylon Non-Skid Base Black
