Wrenches hold outer cap nut on dual wheels while turning inner nut. Lip fits in hole to secure wrench in place. K Tool International. Tool Storage. You agree to indemnify, defend and hold harmless J and B Tool Sales and our parent, subsidiaries, affiliates, partners, officers, directors, agents, contractors, licencors, service providers, subcontractors, suppliers, interns and employees, harmless from any claim or demand, including reasonable attorneys?.