This is the SLIDE TR105021F for the TR201 & TR203 Stanley Bostitch Spenax pneumatic tool. The TR201 & TR203 tools are used to apply D-rings to innersprings, furniture, bedding, cages, bags, etc. All TR105021F SLIDES are made in the United States from the highest quality steel - these are BETTER than O.E.M. because they are not a casting.
We offer other quality replacement parts for the TR201 & TR203 tool so please check out our items for sale!